Mathematics High School

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Answers

Answer 1

Answer:

x = 7/12

Step-by-step explanation:

20 = 15(x + 3/4) (Given)

20 = 15x + 45/4 (Distribute)

35/4 = 15x (Subtract 45/4 on both sides)

7/12 = x (Divide 15 on both sides)

You can substitute the solution for x to check.

20 = 15(7/12 + 3/4)

20 = 15(4/3)

20 = 20

Related Questions

the value of the 7 in 0.076 is 1/10 the value of the 7 in 2.79

Answers

Answer:

true

Step-by-step explanation:

the second 7 is in the tenth place and the first 7 is in the hundredth place, which is 1/10 the tenth place

I agree...................

How much time has passed?
Start time: 4:45 a.m. End time: 7:25 a.m.

Answers

Answer:

2 hours and 40 mins i think

Step-by-step explanation:

WILL GIVE BRAINLIEST PLS HELP
Write each of
these ratios in
their simplest form.
A) 3:9 B) 12:36 C) 13:39 D) 71:213
E) 142:213 F)38:57 G) 33:44 H) 31:42

Answers

a) 1:3

b) 1:3

c) 1:3

d) 1:3

e) 2:3

f) 2:3

g) 3:4

h) 31:42

Step-by-step explanation:

3:9=1:3

12:36=1:3

13:39=1:3

71:213=1:3

142:213=2:3

38:57=2:3

33:44=3:4

the simplest form of 31:42 is 31:42 because 31 is prime number so we can't divide it.

Combine like terms to simplify the following expression : 12x+4y-3x+2-8y^2+9

Answers

−

8

2

+

9

+

4

+

1

1 fgdfgdfgdfgdfg

majorly confused about this and how to solve.​

Answers

Answer:

The answer is 59.5

answers for the 3 boxes please ​

Answers

In order for two lines to be perpendicular, their gradients must multiply together to get -1

7*b=-1

7b=-1

Divide both sides by 7

So, the gradient of line b is -1/7

Answer:

-1/7

Step-by-step explanation:

Dwight is selling flowers and candles for a school fundraiser. Flowers, x, sell for $7 for a bouquet, and candles, y, sell for $5. each. If he wants to sell at least $200 worth of flowers and candles, which inequality represents the situation where he sells x flowers and y candles?

A: 7x + 5y 200
C: 7x + 5y ≤ 200
D: 7x + 5y ≥ 200

Please explain why the right answer choice is correct. Thanks.

Answers

Since he wants to sell AT LEAST 200, the number he is selling must be greater than or equal too the number of flowers and candles. Therefore you would need the greater than and equal sign, with the open end being towards the 7x + 5y.
The Answer is D

Answer:

D: 7x + 5y ≥ 200

Step-by-step explanation:

If flowers sell for $7 and candles sell for $5, we can write those as 7x and 5y. Now, our inequality is 7x + 5y __. The words "at least" can translate to greater than or equal to. The symbol for that is ≥. Now, he wants to sell at least $200 worth of goods. That means we can write our inequality as 7x + 5y ≥ 200.

pls help i will give u brainliest.

Answers

Well did you find the answer

Jones deposits $15,000 in an account that earns 6% interest,​

Answers

the answer is finish the fxking question nim.wit

Simplify fully V8 x V18

Answers

Answer:

12

Step-by-step explanation:

·[tex]\sqrt{8}[/tex]×[tex]\sqrt{18}[/tex]=[tex]\sqrt{144}[/tex]

[tex]\sqrt{144}[/tex]=12

Answer:

12

Step-by-step explanation:

Using the rule of radicals

[tex]\sqrt{a}[/tex] × [tex]\sqrt{b}[/tex] ⇔ [tex]\sqrt{ab}[/tex] and [tex]\sqrt{a}[/tex] × [tex]\sqrt{a}[/tex] = a

Given

[tex]\sqrt{8}[/tex] × [tex]\sqrt{18}[/tex]

Simplifying each radical

[tex]\sqrt{8}[/tex] = [tex]\sqrt{4(2)}[/tex] = [tex]\sqrt{4}[/tex] × [tex]\sqrt{2}[/tex] = 2[tex]\sqrt{2}[/tex]

[tex]\sqrt{18}[/tex] = [tex]\sqrt{9(2)}[/tex] = [tex]\sqrt{9}[/tex] × [tex]\sqrt{2}[/tex] = 3[tex]\sqrt{2}[/tex]

Thus

[tex]\sqrt{8}[/tex] × [tex]\sqrt{18}[/tex]

= 2[tex]\sqrt{2}[/tex] × 3[tex]\sqrt{2}[/tex]

= 2 × 3 × [tex]\sqrt{2}[/tex] × [tex]\sqrt{2}[/tex]

= 6 × 2

= 12

How many diamonds do I need for 10 chandeliers?

Answers

Answer: stacia would need 130 diamonds

At Grab & Go Grocery, you can buy 4 yogurt cups for $5. If the unit price stays the same, how much would it cost to buy 10 yogurt cups?

Answers

Answer:

12.50

Step-by-step explanation:

Each yogurt is $1.25. 1.25 x 4 = 5. so 1.25 x 10 = 12.50.

Write a simplified expression for the area of the rectangle

Answers

Answer:

Area = 40x + 15 squared units.

Step-by-step explanation:

Area of a rectangle = Length × width

Ayudame por favor
Help me please

Answers

Slope is -1/2
The full equation is
Y=-1/2x+ 6 1/2
The slope is -1/2 hope this helps!

ANSWER QUICK I WILL GIVE BARINLIEST URGENT

Answers

Answer:

27/40

Step-by-step explanation:

Answer:

3/8 divided by 5/9 = 0.675

Step-by-step explanation:

in fraction form = i dont know srry =/

-20 > -2x + 4 inequality

Answers

Step-by-step explanation:

-20 > -2x + 4

2x > 4 + 20

2x > 24

x > 12

or

x ∈ 《12 , + ∞》

-20 > -2x + 4

-20 -4 > -2x

-24 > -2x

-24/-2 < x  <inequality changes when you divide by a -ve no. >

12 < x

What is the area of the triangle if the base is 5 centimeters and the height is 6 centimeters?



16 inches
12 feet
4 m 3
15 cm 2

Answers

Answer:

15 cm

Step-by-step explanation:

6x5 divide by 2

Answer:

15 cm^2

Step-by-step explanation:

Please help! The first one to answer correctly I'll give 200 points and the brainliest
The population of a city increases by 4,000 people each year. In 2025 the population is projected to be 450,000 people. What is an equation that gives the city's population p (in thousands of people) x years after 2010?
A.p=4x+50
B.p-450=4(x-5)
C.p-15=4(x-450)
D.p=4x+15

Answers

Answer:

fgfhdfg

Step-by-step explanation:

c

Equivalent expression for m-(8-3m)

Answers

Answer:

4m-8

Step-by-step explanation:

answer

Answer:

4m - 8

Step-by-step explanation:

Given expression,

→ m - (8 - 3m)

Simplifying the expression,

→ m - (8 - 3m)

→ m - 8 + 3m

→ 4m - 8

→ 4(m - 2)

Hence, answer is 4m - 8.

how do you solve this
(-4) + (+6)

Answers

Answer:

2

Step-by-step explanation:

-4+6=

6-4=

2

The answer is positive 2

3(8 - x) = 7x - 6
Can someone explain how to get the answer please

Answers

Answer:

x=3

Step-by-step explanation:

The steps are in the picture below.

−7(−2x+6)


Select one:

−9x−42

14x+6

14x−42

−14x−42

Answers

Answer:

14x-2 is answer

Step-by-step explanation:

may be this is helpful!

The answer is -14x-42
Distribute -7
(-7.-2x)+(-7.6)
-14x-42

HELP! SSUUUUUUUUPER EASY! REEEEEEEEEEEALLY QUICK! I'm just du. mb

Answers

the answer is 15m^6

Answer:

15m^6

Step-by-step explanation:

Multiply 3 times 5

add 4 and 2

1.5 x -3 4/5

multiply

Answers

Answer:

I'm pretty sure it's -5.7

share 1200kg in the ratio 3:37

Answers

Answer:

3+37=40

3/40×1200=90kg

37÷40×1200=1110kg

Step-by-step explanation:

''.''

Answer:

[tex]3x+37x=40x\\40x=1200kg\\x=\frac{1200}{40} \\x=30kg\\[/tex]

[tex]3x=30kg*3=90kg\\37x=30kg*37=1110kg[/tex]

#9 Can anyone please help me, this is Pythagoras Theorem Converse.

Answers

Answer:

(D).

Step-by-step explanation:

[tex]A_{b}[/tex] = A + [tex]A_{s}[/tex]

(A). 12 + 16 > 20

(B). 10 + 18 < 30

(C). 4 + 5 < 12

(D). 8 + 16 = 24

about 7/10of the surface of the earth is covered with water. express this as an equivalent fraction with 100 as the denominator. the fraction with 100 as the denominators are known as per cent. 50/100 means 50 per cent. so what percentage of the earth's surface is covered with water? what percentage is covered with the land?

Answers

Answer:

70%

Step-by-step explanation:

Amy want to buy a desk. The original price is 60$. It is on
sale for 10%. How much will amy save?

Answers

Answer:

20.40

Step-by-step explanation:

Answer:

10 dollars. I think.

Step-by-step explanation:

What is 3.116372 rounded to the nearest hundred thousandths place?

Answers

Answer: 3.11637

Explanation: The hundred thousandths place is in the fifth place after the decimal. To avoid remembering this, you can simply note that the first place after the decimal is the tenths. You simply keep progressing as you would in whole numbers.

For example 10 becomes 100 when a zero is added. This zero is always added right beside the first zero and indicates the hundreds place.

Furthermore, the general rule for rounding is if the number after the preferred rounding place is 4 or less, the number remains the same. 5 or more means it goes up by one digit.

Answer:

3.11637

Step-by-step explanation

I got it right ayyy :p

Which expression is equivalent to that

Answers

Answer:

3. 9x

4. D. -5v + 4

Step-by-step explanation:

3. (-3+12)v

= 9v

4. Combine like terms:

(-2v - 3v) + (8 - 4)

= -5v + 4

Hope that somehow helps.
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