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2 years ago

Okay so I’m stuck on 5. It says “ 10% of is 7” what’s the answer?

Mathematics

2 answers:

stepan [7]2 years ago

7 0

Answer:

Step-by-step explanation:

Okay so 10%=0.1. let's say that mystery number is x

that means that 0.1x=7

now to solve for x we need to multiply both sides of the equal sign by 10

so.....x=7*10=70

Marat540 [252]2 years ago

3 0

10% of 70 is 7
.1 times 70 is 7
so the answer should be 70

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What is the probability that 2 cards selected from a standard deck of 52 cards without replacement are both non-face cards?

Orlov [11]

Answer:

B. 0.588

Step-by-step explanation:

There are 40 non-face cards in the deck, so the probability of drawing the first one is 40/52. After doing that, the probability of drawing the second one is 39/51, since the number of non-face cards is 1 fewer, as is the size of the deck.

The joint probability is then ...

(40/52)·(39/51) ≈ 0.588

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3 years ago

14 =root 121√√...........

vladimir1956 [14]

Answer:

$14 = \sqrt{121} \\ \\ 14 = 11 \\ \\$

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3 years ago

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3 years ago

It takes me 12 minutes to run 2 kilometers. How long will it take me to run 10,000 meters?

galina1969 [7]

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2 years ago

Solving a right triangle (round to the nearest tenth)

Inga [223]

Answer:

see explanation

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Subtract the sum of the given angles from 180 for A

A = 180° - (90 + 46)° = 180° - 136° = 44°

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

tan46° = $\frac{opposite}{adjacent}$ = $\frac{b}{23}$

Multiply both sides by 23

23 × tan46° = b, thus

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2 years ago

Okay so I’m stuck on 5. It says “ 10% of __ is 7” what’s the __ answer?

Okay so I’m stuck on 5. It says “ 10% of is 7” what’s the answer?