Plsss helppp with my math!!

Plsss Helppp With My Math!!

Answers

Answer 1
a. 4
b. 4
c. 9
d. 3
e. 8
f. 9
g. 14
h. 11

Related Questions

estimate 151% of 70.

pls help me!!!

Answers

Answer:

106

Step-by-step explanation:

You divide to find the quotient, the actual answer is 105.7, but I rounded it up for simplicity's sake.

Answer:

105.7

Step-by-step explanation:

you have to find what 1.51×70

Which system of equations is represented by the matrix below?
[2 -3|8]
[5 0|10]

A. 2y - 3x = 8
5y = 10

B. 3x - 2y = 8
5x = 10

C. 2x - 3y = 8
5x = 10

Answers

Answer:

C

Step-by-step explanation:

the x,y matrix will have the form of some x coefficient value, some y coefficient value and then the answer. if one of these values are missing you use a 0 as placeholder. look at the coefficients here. you know one equation will have an x coefficient of 2 and a y coefficient of -3 with a solution of 8 and the other equation will have x coefficient of 5 and no y at all with a solution of 10. only option c meets these criteria

which of the following is equal to the rational expression when x ≠5 or -3?

x^2+x-6/x^2-2x-15



A. x-6/x-5


B. x+3/x-5


C. x-2/x-5


D. x-2/x+3


thank you!

edit: the answer is C

Answers

Answer:

C

Step-by-step explanation:

The rational expression satisfies the conditions  x ≠ 5 or x = - 3 is,

B. x + 3/x - 5.

What are rational expressions?

Polynomials can be found in the numerator, denominator, or both of rational expressions, which are fractions.

Given, An expression in variable 'x' which is x ≠ 5 or x = - 3.

Now, From the given options the rational expression satisfying the statement is,  x + 3/x - 5.

As, If x = 5 then the denominator will be zero and the expression will be undefined and on the numerator x + 3 = 0 ⇒ x = - 3.

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Does the system shown always, sometimes, or never have a solution when a > b?
ax + y = 8
bx + y = 5

Answers

Answer:

always have a solution

Step-by-step explanation:

A linear equation in standard form is given by:

Ax + By = C, where A,B, C are real numbers and A,B is not equal to zero.

Two linear equations with equations Ax + By = C and Dx + Ey = F

Therefore the first equation becomes: (A/B)x + y = C/B and the second equation becomes (D/E)x + y = F/E ]

Both equations are said have a solution if A/B ≠ D/E, they have no solution if A/B = D/E and they have infinite solutions if A/B = D/E, C/B = F/E.

Given that:

when a > b

ax + y = 8

bx + y = 5

Since a ≠ b, but a > b, the system has a solution


Plz help 13 points

Answers

The image won't load for some reason

Answer:

she used 2,500 beef and she also had a lot of left over

answer and i mark brainliest ok !!

Answers

Answer: Both

Step-by-step explanation:

Answer choice c both because they are both similar

20 pts

Given this diagram, find the value of n and m.

Answers

Answer:

n is 23 and m is 45

Step-by-step explanation:

Find and interpret the rate of change and the initial value.
5. A pizzeria charges $8 for a large cheese pizza,
plus $2 for each topping. The total cost for a large
pizza is given by the equation C = 2t + 8, where t is
the number of toppings. Graph the equation for
t between 0 and 5 toppings, and explain the meaning
of the slope and y-intercept.

Answers

Answer:

Step-by-step explanation:

The total cost for a large pizza is given by the equation:

C=2t+8

where t is the number of toppings.

Now, when t=0 we have:

C=8

when t=1 we have:

C=10

when t=2 we have:

C=12

when t=3 we have:

C=14

when t=4 we have:

C=16

when t=5 we have:

C=18

i.e. the graph of this equation is the ordered pair:

(0,8) , (1,10) , (2,12) , (3,14) , (4,16) and (5,18)

Now, the slope of this function means the cost of each topping.

and the y-intercept represents the cost of the pizza when there are no toppings.

They each started at the point (-2,5) and moved 3 units vertically in the plane.Identify one of the two sets of coordinates that they arrived at.

Answers

-7,5 maaf kalau salah,,,,,,


Mia's cat Boots just gave birth to a
litter of kittens. 1 of the kittens are
black and of the kittens are tabby.
What fraction of the kittens are
black or tabby? (Simplify your
answer and write it as a proper
fraction or a mixed number.)

Answers

I need to know how many kittens there are sorry

The graph shows a proportional relationship. Which equation matches the graph?​

Answers

Answer:

D

Step-by-step explanation:

Can somebody help me, please?
I just need help with #12
the first attachment is supposed to help and the second attachment has the question I need to be answered. Please show your work

Answers

Answer:  x = 9.6

=========================================================

Explanation:

We have two smaller right triangles that are glued together so to speak.

The base of the smaller triangle on the left is 5 while the height is h.

Let's use the tangent rule to find the value of h

tan(angle) = opposite/adjacent

tan(55) = h/5

5*tan(55) = h

h = 5*tan(55)

h = 7.14074003371058

Make sure your calculator is in degree mode. That value of h above is approximate.

--------------------------

Now focus on the smaller triangle on the right

It has the same height value h. This side is the adjacent side while x is the hypotenuse.

We'll use the cosine ratio

cos(angle) = adjacent/hypotenuse

cos(42) = h/x

cos(42) = 7.14074003371058/x

x*cos(42) = 7.14074003371058

x = 7.14074003371058/cos(42)

x = 9.6088135029715

x = 9.6

A theatre has 1200 seats. Each row has 20 seats. Write and solve an equation to find the number of rows in the theatre

Answers

1200 divided by 20 is 60 therefore there are 60 rows in the theatre sorry if this is not how you wanted it i am new!

how do I do number 1​

Answers

Answer:

move each point (vertex) 2 units to the left and 1 unit up

PLEASE ANYBODY HELP ME PLEASE I BEG OF YOU!!

Randall is saving money to buy a bicycle. He has 37.80 in his savings account and saves 20% of his paper route earnings each week. After 10 weeks, he has $87.80 in his savings account. How much does Randall earn each week from his paper route

Answers

in 10 weeks he saved: 87.8-37.8= $50

so each week he saves 50/10= $5

So every week he earns 5*100 / 20= $25

Work out the size of angle x.
50°
120°
Х

Answers

Step-by-step explanation:

120+b= 180

b=60

x+50+60=180

x=70

The value of angle [tex]x[/tex]  will be [tex]70^0[/tex] .

What is triangle ?

A triangle is a polygon with three edges and three vertices. Its angles sum property says that the sum of all angles of a triangle is equals to [tex]180^0[/tex]  . i.e.

[tex]\angle A + \angle B + \angle C = 180^0[/tex]

We have,

[tex]\triangle ABC[/tex], in which,

[tex]\angle A =50^0[/tex]

[tex]\angle C =x^0[/tex]

Let, [tex]\angle B =y^0[/tex]

Now,

Work out for [tex]\angle B[/tex],

A straight line always makes an angle of [tex]180^0[/tex] i.e. line [tex]CBD[/tex], which is divided into parts at [tex]B[/tex] by [tex]AB[/tex],

So,

[tex]120^0 + y =180^0[/tex]

[tex]y=180-120[/tex]

[tex]y=60^0[/tex]

Now,

Using angle sum property;

[tex]\angle A + \angle B + \angle C = 180^0[/tex]

[tex]50^0+60^0+x=180^0[/tex]

⇒ [tex]x=180-110[/tex]

[tex]x=70^0[/tex]

Hence, we can say that the measure of  [tex]x[/tex] in the triangle will be [tex]70^0[/tex]  .

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If sinx=(-15)/17 with π≤x≤3π/2 and cosy=3/5 with 0≤y≤π/2, find the exact value of cos⁡(x-y)

Answers

Answer:

sin(x)=(-15)/17cos(x)=(-8)/17cos(y)=3/5sin(y)=4/5

[tex] →\cos(x - y) = \cos(x)\cos(y) + \sin(x) \sin(y) \\ =(\frac{ - 8}{17}\times \frac{3}{5}) +(\frac{ - 15}{17} \times \frac{4}{5}) \\ = \frac{ - 24}{85} + \frac{ - 60}{85} \\ = \frac{ (- 24) + ( - 60)}{85} \\ = \boxed{ \frac{ - 84}{85} }✓[/tex]

(-84)/85 is the right answer.

HURRY What is the solution to the trigonometric inequality
2sin(x)+3> sin^2(x) over the interval 0<=x<=2pi radians?

Answers

Answer:

C on edge 2021

Step-by-step explanation:

The solution of x for the trigonometric inequality [tex]2sin(x)+3 > sin^2(x)[/tex] is x will lie between  0≤x< [tex]\frac{3\pi}{2}[/tex]  

What is trigonometric inequality?

An inequality of the standard form R(x) > 0 (or < 0) that consists of 1 or a few trigonometric functions of the variable arc x is a trigonometric inequality. Finding a solution to the inequality means determining the values of the variable arc x whose trigonometric functions make the inequality true.

According to the question

The trigonometric inequality :

[tex]2sin(x)+3 > sin^2(x)[/tex] and the interval 0<=x<=2pi radians

Let sin(x) = t  

Now, inequality is :

[tex]2t+3 > t^{2}[/tex]

0 > t² - 2t - 3

0>  t² - (3-1)t - 3

0>  t² - 3t + t - 3

0> t( t - 3) + 1(t - 3)

0> ( t - 3) (t+1)

t < -1 or t < 3

sin(x) < -1 or sin(x) < 3

as sin(x) can not be 3  because sin oscillates between 1 and -1. Sine will never result in 3 so we disregard this as a solution.

sin(x) < -1

sin(x) < sin ([tex]\frac{3\pi}{2}[/tex] )

x < [tex]\frac{3\pi}{2}[/tex]  

And the given interval for x

0<=x<=2pi radians

Therefore,  

x will lie between

0≤x< [tex]\frac{3\pi}{2}[/tex]  

Hence, The solution of x for the trigonometric inequality [tex]2sin(x)+3 > sin^2(x)[/tex] is x will lie between  0≤x< [tex]\frac{3\pi}{2}[/tex]  

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please help it would mean so much! Which of the following linear equations passes through points (-1, 5) and (1, -5)?
y = -5x
y = 5x + 10
y = -2x + 3
None of these choices are correct.

Answers

None of these choices are correct
non of these choices are correct

Identify the ratios for sin A, cos A, and tan A for each of the following right triangle

Answers

Answer and Step-by-step explanation:

Sin = [tex]\frac{Opposite}{Hypotenuse}[/tex]

Cos = [tex]\frac{Adjacent}{Hypotenuse}[/tex]

Tan = [tex]\frac{Opposite}{Adjacent}[/tex]

sin A = [tex]\frac{10}{26} = \frac{5}{13}[/tex]

cos A = [tex]\frac{24}{26} = \frac{12}{13}[/tex]

tan A = [tex]\frac{10}{24} = \frac{5}{12}[/tex]

Those are the answers.

#teamtrees #WAP (Water And Plant)

A withdrawal of $200

Answers

Answer:

are we supposed to do something?

Step-by-step explanation:

Answer: ok a withdrawal of $200

Tina pays $45.50 for 10 boxes of wheat crackers. What is the unit price? *

Answers

Unit price = total price / quantity

Unit price = 45.50 / 10

Unit price = $4.55

Answer:

$4.55 because I look it up

Ed buys a box of eggs costing £2.20, two packs of bacon for £2.80 each and two tins of baked beans. He pays with a £10 note and gets 70p change. How much does a tin of beans cost in pounds, £?​

Answers

Answer:

1 tin of beans = £2.15

Step-by-step explanation:

£10.00-£0.70 = £9.30

£9.30-£2.20=£7.10

£7.10-£2.80=£4.30

£4.30 divided by 2 = £2.15

1 tin of beans = £2.15

Literally had a mental blank, can anyone hwlp me remember how to convert a whole number into a fraction? (the number is 11,031)

Answers

Answer:

it's easy just put it over 1 like 11,031/1 and there's your fraction

Step-by-step explanation:

Can you guys help me with this math please??
I will give Brainliest!!

Answers

Answer:

The  answer  is  36 x⁴ y⁴

Step-by-step explanation:

please help i will mark branliest

Answers

Answer:

b-14.99=40.01

Step-by-step explanation:

He used 14.99 dollars so you have to subtract that from the total.

Answer:

Hi! The correct answer is b-14.99=40.01 and b=$55

Step-by-step explatnation:

~Move all terms not containing b to the right side of the equation~

Is this correct if not can someone help me ?

Answers

Answer:

you are correct

Step-by-step explanation:

Because c is more than 60

Solve for variable.Show work
-5-5(6x-8)=-5x+19

Answers

Answer:

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

−5−5(6x−8)=−5x+19

−5+(−5)(6x)+(−5)(−8)=−5x+19(Distribute)

−5+−30x+40=−5x+19

(−30x)+(−5+40)=−5x+19(Combine Like Terms)

−30x+35=−5x+19

−30x+35=−5x+19

Step 2: Add 5x to both sides.

−30x+35+5x=−5x+19+5x

−25x+35=19

Step 3: Subtract 35 from both sides.

−25x+35−35=19−35

−25x=−16

Step 4: Divide both sides by -25.

−25x

−25

=

−16

−25

x=

16

25

The value of x is 16/25.

What is Algebra?

Algebra, a discipline of mathematics where abstract symbols rather than concrete numbers are subjected to arithmetic operations

As per the given data:

We are given an expression, and we have to find out the value of x by solving the given expression.

-5 - 5(6x-8) = -5x + 19

In LHS, multiplying by 5 in the whole bracket.

-5 - [5 × 6x - 5 × 8] = -5x + 19

-5 - [30x - 40] = -5x + 19

In LHS, multiplying by -ve in the bracket.

-5 - 30x + 40 = -5x + 19

Adding 5x both the sides.

-5 - 25x + 40 = 19

Taking all the constants to the RHS after switching signs.

-25x = 19 - 40 + 5

-25x = -16

Multiplying by -ve both the sides.

25x = 16

x = 16/25

The value of x is 16/25.

Hence, The value of x is 16/25.

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Given tw circles, circle A with a radius of 3 in. and circle B with a radius of 12 in.
find the ratio of the circumfrence of the smaller circle to the larger circle

Answers

Answer:

1 : 4

Step-by-step explanation:

Circumference of the first one: 3 * 2 * π = 6π.

Circumference of the second one: 12 * 2 * π = 24π

Ratio: 6π:24π

divide both sides by 6π

1: 4

Mrs. Murphy takes her two cats to the veterinarian in a pet carrier that weighs
2.1 kg. Her older cat, Chuckles, weighs 1 kg more than her younger cat, Shorty.
When the vet weighs both cats in their carrier, the scale registers 11.3 kg.
How much does each cat weigh?

Answers

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