3 years ago

Please only answer if you know the answer

Mathematics

1 answer:

Dafna1 [17]3 years ago

6 0

Answer:

Step-by-step explanation:

9 because form an idea of the amount, number, or value of; assess.

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At a sale, shirts were sold for $20 each. This price was 80% of their original price. What was the original price?

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3 years ago

How to evaluate the expression

jasenka [17]

Answer:

Step-by-step explanation:

$4^{5}$ can be expressed as $2^{(2)(5)}$ = $2^{10}$

Similarly $4^{8}$ can be expressed as $2^{(2)(8)}$ = $2^{16}$

Numerator becomes:

$2^{10}$ · $-2^{9}$ = $-2^{19}$

Denominator becomes:

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Since numerator = Denominator,

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Edit reason: typo

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3 years ago

The mean of four numbers is 7. Three of the numbers are 5,7 and 7. What is the fourth number?

Marrrta [24]

Answer:

fourth number is 9

Step-by-step explanation:

let 'x' equal the fourth number

(5+7+7+x)/4 = 7

cross-multiply to get:

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3 years ago

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The measure of the vertex angle of an isosceles triangle is 15 more than the measure of each base angle. Find the degree measure

Strike441 [17]

Answer:
Step by step explanation:

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3 years ago

Question 10<br> Divide £64 in the ratio 3:5

ICE Princess25 [194]

Answer:

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Step-by-step explanation:

3:5

This means there are 8 divisions altogether - 8 parts to be split (3+5=8)

64 / 8 = 8

8x3 = 24

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£24:£40

Hope this makes sense!

8 0

2 years ago