Mathematics High School

What is the value of j? 40° 30

Answers

Answer 1

Answer:

70 degrees

Step-by-step explanation:

To find the value of J, both of the smaller angles need to be added together

40 + 30 = 70

Related Questions

I need the area of this shape please explain.

Answers

Answer:

130 square inches

Step-by-step explanation:

Area of the shape = Area of trapezoid - area of rectangle

[tex] = \frac{1}{2} \{23 + (4 + 3 + 4) \} \times 8 - 3 \times 2 \\ \\ = \{23 + 11 \} \times 4 - 6\\ \\ = 34 \times 4 - 6 \\ \\ = 136 - 6 \\ \\ = 130 \: {inches}^{2} [/tex]

When subtracting decimals with different signs you ______________.

Answers

Answer:

below

Step-by-step explanation:

If one decimal is positive and the other is negative, you change the format to adding two numbers.

If one decimal is negative and the other is positive, you just subtract both numbers and you will still have a negative number.

Best of Luck!

Distribute 3x (3x - 3)

Answers

answer: 9x^2 - 9x
the ^2 means squared btw.
you would get this answer by multiplying 3x by each of the terms inside the parentheses.
so 3x • 3x = 9x^2 and 3x • -3 = -9x

Given h(x) = -x2+3x, find h(5).

Answers

Answer:

-10, 40, or 5

Step-by-step explanation:

There are three ways of looking at this problem.

h(x) = -x^(2) + 3x

When finding h(5), that is like saying that in the case that x = 5, find the value of the given expression,

using that knowledge, we can say

h(5) = -(5)^(2) + 3(5)

simplify

= - (25) + (15)

= -10

h(x) = (-x)^(2) + 3x

Again,

When finding h(5), that is like saying that in the case that x = 5, find the value of the given expression,

using that knowledge, we can say

h(5) = (-5)^(2) + 3(5)

simplify

=25 + 15

= 40

h(x) = -2x + 3x

Again,

When finding h(5), that is like saying that in the case that x = 5, find the value of the given expression,

using that knowledge, we can say

h(5) = -2(5) + 3(5)

simplify

= -10 + 15

= 5

Solve the inequality for x. - 1 - 6x - 6 > - 11 - 7x

Answers

Answer:

The answer is

[tex]x > - 4[/tex]

Step-by-step explanation:

[tex]- 1 - 6x - 6 > - 11 - 7x[/tex]

Simplify the inequality

That's

[tex] - 6x - 7 > - 11 - 7x[/tex]

Add 7 to both sides of the inequality

[tex] - 6x + 7 - 7 > - 11 + 7 - 7x \\ - 6x > - 4 - 7x[/tex]

Add 7x to both sides of the inequality

[tex] - 6x + 7x > - 4 + 7x - 7x \\ x > - 4[/tex]

We have the final answer as

[tex]x > - 4 [/tex]

Hope this helps you

The solution to the inequality [tex]- 1 - 6x - 6 > - 11 - 7x[/tex] is [tex]x > -4.[/tex]

To solve the inequality [tex]- 1 - 6x - 6 > - 11 - 7x[/tex], we can start by simplifying both sides of the inequality:

[tex]-1 - 6x - 6 > -11 - 7x[/tex]

Combine like terms:

[tex]-7 - 6x > -11 - 7x[/tex]

Add 7x to both sides:

[tex]-7 - 6x + 7x > -11 - 7x + 7x[/tex]

[tex]-7 + x > -11[/tex]

To isolate "x," we can subtract -7 from both sides:

[tex]-7 + x - (-7) > -11 - (-7)[/tex]

Simplifying further:

[tex]x > -11 + 7[/tex]

[tex]x > -4[/tex]

Therefore, the solution to the inequality is [tex]x > -4.[/tex]

To learn more on Inequality click:

https://brainly.com/question/28823603

#SPJ6

Laraine worked 40 regular hours last week, plus 3 overtime hours at the 1.5 rate. Her pay was $476.15. What was her hourly rate?

Answers

Answer:

Her hourly rate is $10.7

Step-by-step explanation:

Here, we are interested in calculating Laraine hourly rate.

In the question, we are told that the overtime rate is 1.5 times the regular hours rate.

Now, let the regular hours rate be $x / hour

For a total of 40 hours, the total money made will be 40 * x = $40x

Now let’s look at the overtime;

Since the overtime is 1.5 times the regular and she had 3 overtime hours;

Money obtained from overtime will be 1.5 * x * 3 = $4.5x

Let’s add this to the regular and equate to the total money made;

4.5x + 40x = 476.15

44.5x = 476.15

x = 476.15/44.5

x = 10.7

I just need to know the answer to B.

Answers

Answer:

24%

Step-by-step explanation:

45 + 37 + 52 + 94 + 72 = 300

72/300 = 0.24 x 100

= 24%

Question 2 of 5
Which inequality is true?
A. 9/3 pi > 1
B. 9 pi > 27
C. Pi +7<10
D. Pi - 3> 1

Answers

It’s d hope you get it right

Find each of the following and explain your reasoning: 1) The length of segment BE

Answers

Answer:

BE = 2.5

Step-by-step explanation:

find the midpoint of AD

[tex](\frac{0+4}{2},\frac{2+7}{2})\\(2,4.5)\\BE=2.5[/tex]

Solve: 12r-6s=t for r

Answers

R= 6s+t/12

You add 6s and divide 12

I buy 6 CD,s casting £ 6.99 each how much change do I get from £ 50

plz answer

Answers

Answer:

£8.06

6.99x6=41.94

50-41.94=8.06

The quadratic equation is y=ax2 + bx + c.
What would be a formula for b?

Answers

Answer:

b=y/x−ax−c/x

Step-by-step explanation:

25 Points!
Which of the following relations describes a function?
{ (2, -2), (0, 0), (2, 2), (3, 3) }

B.
{ (-3, 9), (-2, 4), (2, 4), (3, 9) }

C.
{ (-2, 0), (0, 2), (2, 0), (0, -2) }

D.
{ (9, -3), (4, -2), (4, 2), (9, 3) }

Answers

Hello! My name is Chris and I’ll be helping you with this problem.

Date: 9/28/20 Time: 11:59 CST

Answer:

B: { (-3, 9), (-2, 4), (2, 4), (3, 9) }

Explanation:

This shows a function because, for each x value, there is not another x value of the same number

I hope this helped answer your question! Have a great rest of your day!

Furthermore,

Chris

I’m going to say B because a c and d all repeat x which makes them not a function

x - 2 > 4
What is the answer and explain
Pls I'll Give BRAINLIEST

Answers

Answer:

[tex]\boxed {x > 6}[/tex]

Step-by-step explanation:

Solve the following inequality:

[tex]x - 2 > 4[/tex]

-Add [tex]2[/tex] on both sides:

[tex]x - 2 + 2 > 4 + 2[/tex]

[tex]x > 6[/tex]

So, therefore, the answer is [tex]\boxed {x > 6}[/tex].

can someone please help me I've been stuck on this for so long

Answers

Answer:

x = -3, y=2

Step-by-step explanation:

x+3y =3

3y -2x =12

Solve the first equation for x

x = 3-3y

Substitute this into the second equation

3y -2(3-3y) =12

Distribute

3y -6 +6y =12

Combine like terms

9y -6 =12

Add 6 to each side

9y-6+6 =12+6

9y =18

Divide each side by 9

9y/9 =18/9

y = 2

Now find x

x = 3 -3y

x = 3-3(2)

x = 3-6

x = -3

Answer:

x = -3 y = 2

Step-by-step explanation:

x + 3y = 3

2x - 3y = -12

3x = -9

x = -3

Sebastian is driving to a concert and needs to pay for parking. There is an automatic fee of $10 just to enter the parking lot, and when he leaves the lot, he will have to pay an additional $3 for every hour he had his car in the lot. How much total money would Sebastian have to pay for parking if he left his car in the lot for 2 hours? How much would Sebastian have to pay if he left his car in the lot for tt hours?

Cost for 2 hours:
Cost for t hours:

Answers

Answer:

1. 16$

2. 10+3(t)=$

Step-by-step explanation:

1. 10+3+3=16

[tex]1.986 \times {10}^{6} [/tex]
write this number in standard notation

Answers

Move the decimal six places to the right to get 1986000

The standard notation is 1986000

Round the following number to the nearest
ten thousands place
56,252

Answers

The answer is 60,000.

Answer:

60,000

Step-by-step explanation:

Look at the thousands place (the place to the direct right of the ten thousands place)If the number in the thousands place is 4 or under, we round down. If it is 5 or over, we round up.The number is 6 which is above 5, so we round up.The ten thousands place becomes a 6, and all of the other places become a 0.It should now look like this: 60,000

I hope this helps!

what is 0.24 in word from?

Answers

Step-by-step explanation:

two tenth + four hundredth

Twenty-four hundredths

Two town on a map are 2 1/4 inches apart.the actual distance between the towns is 45 miles. Which of the following could be the scale on the map?

Answers

Answer:

20 miles per inch

Step-by-step explanation:

Divide the miles by inches

45/ 2.25 = 20

20 miles for every inch

1/4 of an inch is equal to 5 miles

so 2 inches = 40 miles

0.25 inches = 5 miles

2.25 inches = 45 miles

The sum of three consecutive integers is 105. Find the smallest integer.

Answers

Answer:

34.

Step-by-step explanation:

The three integers would be 34,35,36 because the sum of the three numbers is 105.

Determine the SLOPE of the following equation: y = 3/2x + 4*

Answers

Answer:

The slope is 3/2

Step-by-step explanation:

In y=mx+b,

m is the slope...

Here,3/2 is the slope

Answer:

the awnser is 3/2

the y intercept is -4

$12 for 15 milliliters $8 for 10 milliliters

Answers

Answer:

whats the question?

Step-by-step explanation:

how do you write this in number form three thousand, eight hundred twenty-eight

Answers

Answer:

3828

Step-by-step explanation:

three thousand = 3000

eight hundred = 800

twenty-eight = 28

3000 + 800 + 28 = 3828

Answer:

3,828

Step-by-step explanation:

Three thousand would be the first number because thousand is larger than hundreds, tens or ones it would be expressed as 3,___

Hundred would be the next because it is smaller than thousand but larger than the tens place and it would be expressed as _8__

Twenty-eight would be last and expressed as __28.

o babysit one child, Fernando charges $10 to drive to the appointment plus $4 per hour. He saves 30% of the total amount he earns. Brenna charges $6 per hour and saves 25% of the total amount she earns. Which equation can be used to determine the number of hours, h, after which Fernando and Brenna will have saved the same amount of money? 10 + 0.3(4h) = 0.25(6h) 0.3(10) + 4h = 0.25(6h) 0.3(10 + 4h) = 0.25(6h) 0.3(14h) = 0.25(6h)

Answers

Answer:0.3(10+4h)=0.25(6h)

Step-by-step explanation:

Answer:

C. 0.3(10 + 4h) = 0.25(6h)

Step-by-step explanation:

edge

5x+10y=30
solve for y

Answers

Answer:

y= 3 -0.5x

Step-by-step explanation:

5x + 10y = 30

subtract 5x from each side to get 10y by itself

10y= 30-5x

divide each side by 10

y= 3 - 0.5x

SOMEONE PLS HELP I NEED TO DO THISSSS

Answers

16......................

HELP. ONLY ANSWER QUESTION 5. THANKS

Answers

Answer:

A. K= m+n

B. L=[tex]\sqrt{p*q}[/tex]

Step-by-step explanation:

Blueberries cost $4.00 per pound.
How many pounds of blueberries can you buy for $13.00?

Answers

Answer:

3 pounds

Step-by-step explanation:

13/4=3.25

Answer:

3.25 i think hehe

Step-by-step explanation:

15tb when b=7 7

Farheen Rashid needs this now plz help me

Answers

15 times 77 there’s your answer buddy

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What is the value of j? 40° 30​

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What is the value of j? 40° 30