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vekshin1
3 years ago
11

Kristin bought 8 books for a total of $238.60. Math books cost $29.60 and english books cost $29.90. How many of each type of bo

oks did she buy?
Mathematics
1 answer:
Olegator [25]3 years ago
6 0
5 math books and six english books
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If a semi circle has a diameter of 5 m what is the area?
klasskru [66]

Answer:

Exact answer = 10.41666666666666666666666666666pi

Estimated answer = 32.70938

Step-by-step explanation:

Semi circle formula: 1/2 * 4/3 * pi * r^3

r = 2.5

1/2 * 4/3 * pi * 2.5^3

2/3 * pi * 2.5^3

2/3 * pi * 15.625

10.416..... * pi

Exact answer = 10.417pi

We can estimate pi as 3.14

So, 10.417 * 3.14 = 32.70938

Exact answer = 10.41666666666666666666666666666pi

Estimated answer = 32.70938

8 0
3 years ago
Select the correct answer from each drop-down menu.
vazorg [7]

Answer:

Step 1: Distribute -2 to 5x and 8

Step 2: Subtract from both sides of the equation 6x

Step 3: Add to both sides of the equation  16

Step 4: Divide both sides of the equation by -16

Step-by-step explanation:

Step 1: Apply the Distributive Property. Then you must  distribute -2 to 5x and 8

Then:

-2(5x+8)=14+6x\\\\-10x-16=14+6x

Step 2: You must apply the Subtraction property of Equality and subtract 6x from both sides of the equation. Then:

-10x-16-6x=14+6x-6x\\\\-16x-16=14

 Step 3: You must apply the Addition property of Equality and add 16 to both sides of the equation. Then:

-16x-16+16=14+16\\\\-16x=30

Step 4: You must apply the Division property of Equality and divide both sides by -16. Then:

\frac{-16x}{-16}=\frac{30}{-16}\\\\x=\frac{30}{-16}\\\\x=-\frac{15}{8}

6 0
3 years ago
Instructions: Find the missing length indicated.
nata0808 [166]

Answer:

x = 12

Step-by-step explanation:

By applying geometric root theorem in the given triangle,

\frac{BD}{DC}= \frac{AD}{BD}

BD^2=AD\times DC

x^{2} =16\times 9

x=\sqrt{144}

x=12

Therefore, x = 12 will be the answer.

8 0
3 years ago
Writing two column proofs. Given: BC bisects ABM M ABD=52° prove: m B =26°
rjkz [21]

Answer:

Look at attachment!

Step-by-step explanation:

E2020 Said so!

7 0
3 years ago
A.3/4<br> B.4/3<br> C.-4/3<br> D.-3/4<br> I need help so bad pls
Pavlova-9 [17]
I’m pretty sure that it is b
3 0
3 years ago
Read 2 more answers
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