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3 years ago

GPA vs. IQ

Mathematics

2 answers:

hichkok12 [17]3 years ago

3 0

Pretty sure its 3.2.......

miskamm [114]3 years ago

3 0

Answer:

Step-by-step explanation:

edge 2021

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A jar contains n nickels and d dimes there are 30 coins in the jar and the total value of the coins is $2.10 Set up and solve a

Gekata [30.6K]

Answer:

12 dimes and 18 nickels

Step-by-step explanation:

Equations given by word problem:

n + d = 30

0.05n + 0.1d= 2.10

How I solved them:

d= 30 - n

0.05n + 0.1(30 - n)= 2.10

0.05n + 3 - 0.1n= 2.10

-0.05n= -.09

Divide both sides by -0.05

n= 18

18 + d = 30

d= 12

8 0

3 years ago

Read 2 more answers

Evaluate i^31 please help

Nadya [2.5K]

ANSWER

${i}^{31} = - i$

EXPLANATION

We want to evaluate

${i}^{31}$

Use indices to rewrite the expression as:

$= {i}^{30} \times i$

We know that

${i}^{2} = - 1$

So we rewrite the expression to obtain;

$= ({ {i}^{2}) }^{15} \times i$

This gives us;

$= {( - 1) }^{15} \times i$

This simplifies to

$= - 1 \times i$

$= - i$

4 0

3 years ago

In a right triangle sin A=

kherson [118]

Answer:

$sinA=\frac{opposite}{hypotenuse}$

Step-by-step explanation:

Soh-cah-toa is a great way to remember:

$sin=\frac{opposite}{hypotenuse}\\ cin=\frac{adjacent}{hypotenuse}\\ tan=\frac{opposite}{adjacent}$

You just remember the first letters : sine= opposite/hypotenuse , for example.

6 0

4 years ago

Read 2 more answers

Plz help.... Carlos is working on a personal net worth statement for his family. Which of the following is not considered a liab

larisa86 [58]

Student loan is something thats not considered one

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3 years ago

SoMeonE plZ hAlp me lol

jeka94

C.√93

A=17

B=14

...........................

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3 years ago