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Zolol [24]
2 years ago
11

PLEASE ANWSER QUICK PLS PLS

Mathematics
1 answer:
fgiga [73]2 years ago
6 0

Answer:

D. m/_ 4 is 137

Step-by-step explanation:

If you add 137 and 43 you get 180 which is the line's angle.

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there are nickels, dimes, and quarters in a piggy bank. altogether, the coins are worth $3.65. the number of dimes is three time
hoa [83]

This question is solved using a system of equations, and doing this, we get that: There are 9 quarters, 4 nickels and 12 dimes.

I am going to say that:

x is the number of nickels.

y is the number of dimes.

z is the number of quarters.

In all, they are worth $3.65.

A nickel is worth $0.05, a dime is worth $0.1 and a quarter is worth $0.25, so:

0.05x + 0.1y + 0.25z = 3.65

Dimes: 3 times greater than nickels:

This means that:

y = 3x

Quarters: One greater than double the number of nickels:

This means that:

z = 2x + 1

Value of x:

We have y and z as function of x, so we can replace into the equation and find the value of x, so:

0.05x + 0.1y + 0.25z = 3.65

0.05x + 0.1(3x) + 0.25(2x+1) = 3.65

0.05x + 0.3x + 0.5x + 0.25 = 3.65

0.85x = 3.4

x = \frac{3.4}{0.85}

x = 4

y and z:

y = 3x = 3(4) = 12

z = 2x + 1 = 2(4) + 1 = 9

There are 9 quarters, 4 nickels and 12 dimes.

A similar question is found at brainly.com/question/17096268

4 0
2 years ago
A letter is chosen from the word shown.
lakkis [162]

Answer:

That something unexpected is about to happen.

Step-by-step explanation:

7 0
2 years ago
Jane needs to memorize words on a vocabulary list for German class. She has memorized 8 of the words, which is one-fourth of the
Anna35 [415]

Answer:

x = 32 words

Step-by-step explanation:

Okay...let's get solving! :D Firstly, we

let the word list be x and convert the long paragraph into an equation that we can use.

one-fourth = 1/4

Memroized = 8 words

x * \frac{1}{4} = 8

Thus, we solve the equation.

x = 32 words

7 0
2 years ago
Evaluate the expression 5x-3x for x = 2
Fantom [35]
-------------------------------------
Expression 
-------------------------------------
5x - 3x

-------------------------------------
Substitute x = 2
-------------------------------------
5 (2) - 3(2)
= 10 - 6
 = 4

-------------------------------------
Answer: 4
-------------------------------------
6 0
3 years ago
Read 2 more answers
Solve....... <img src="https://tex.z-dn.net/?f=5%20%282%29%20x%5E%7B2%7D%20-%206" id="TexFormula1" title="5 (2) x^{2} - 6" alt="
dsp73

10x^2-6 hope this helps

4 0
3 years ago
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