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GaryK [48]
3 years ago
12

What is the value for both of these ? need help asap

Mathematics
1 answer:
ollegr [7]3 years ago
8 0

Answer:

Question 3) x=32

Question 4) x=30

Step-by-step explanation:

180-122=58

180-58-90=32

180-130-20=30

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How Do you evaluate -11
vesna_86 [32]
You find its absolute value which is 11

7 0
4 years ago
Sam is collecting pennies. On the first day of the month, Samnis given 16 pennies. Each day after that he gets 4 more pennies. W
gtnhenbr [62]

Answer:

The answer is 4n + 16

Step-by-step explanation:

N is the number of days that pass by. Each day Sam gets 4 more, meaning you would multiply the number of days by 4, before adding that number to the original number of pennies, which was 16.

3 0
3 years ago
Which of the following is a correct equation for the line passing through the point (-1,4) and having slope m = -3?
Digiron [165]
Y = mx + b

y = -3(x) + b

4 = -3(-1) + b

4 = 3 + b

b = 4 - 3

b = 1

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5 0
3 years ago
Pls help 50 points wrong answers gets reported
xxTIMURxx [149]
161 1-foot tiles.

EXPLANATION:

To find how many tiles we need,
We must find the area of the kitchen.

To find the area, you multiply
length x width

In this question,
the length is 14
the width is 11.5

14 x 11.5 is 161.

So 161 1-foot tiles to cover the kitchen.

Hope this helps! Have a gud day!
7 0
3 years ago
Read 2 more answers
John invest $5,000 in one account and $8,000 in an account paying 4% more in interest. He earned $1,230 in interest after one ye
Elina [12.6K]

Given:

John invest $5,000 in one account and $8,000 in an account paying 4% more in interest.

Total interest in one year = $1230

To find:

The rates of the investments.

Solution:

Let x% be the rate of interest on investment $5000.

Then, (x+4)% is the rate of interest on investment $8000.

Total interest is $1230. So,

5000\times \dfrac{x}{100}+8000\times \dfrac{x+4}{100}=1230

50x+80(x+4)=1230

50x+80x+320=1230

130x=1230-320

130x=910

Divide both sides by 130.

x=\dfrac{910}{130}

x=7

Now,

x\%=7\%

(x+4)\%=(7+4)\%=11\%

Therefore, $5,000 is invested at 7% and $8,000 is invested at 11%.

5 0
3 years ago
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