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hoa [83]
3 years ago
13

7th grade math question, awarding brainliest! 80 POINTS!!!

Mathematics
1 answer:
aivan3 [116]3 years ago
5 0

Answer:

first one

<u> </u><u>9</u><u>. </u><u> </u> <u>x-4</u>

12. is one. 6 is another proportion now u can compare them

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The class needed to collect 20.5 pounds of cans for recycling over the next 5 months. the students plan to collect 3.75 pounds e
Anestetic [448]
To solve this problem, start by finding how many cans will be collected in 5 months. To do this, take the amount of cans collected each month and multiply it by the number of months. Set these values up in an equation.
This leaves you with:
3.75(5) = x

Multiply the values to get 18.75 pounds of cans.
So this fills the first blank.

For the second blank, you must subtract the number collected from the number that was the goal for the class.
This results in the expression:
20.5 - 18.75

Subtract the values to fill the second blank with 1.75 pounds.

Since they didn’t meet their goal, the last blank would be “less.”

I hope this helps! :)
8 0
3 years ago
Need help with this chart read carefully
irinina [24]

Answer:

10=60 5=30

Step-by-step explanation:

6 0
3 years ago
Round 969.991 to the nearest whole number
Serga [27]
970 is the answer. :)
3 0
3 years ago
Use the formula B = p(1.08)n to find the balance B (in dollars and cents) for a principal p invested at a compound interest rate
aalyn [17]

Answer:

Option D. \$73.47  

Step-by-step explanation:

In this problem

we have    

B=P(1+r)^{t}  

where  

B is the Final Investment Value   or a Balance

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

in this problem we have  

t=5\ years\\ P=\$50\\ r=0.08  

substitute in the formula above  

B=\$50(1+0.08)^{5}=\$73.47  

8 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%7B5%7D%5E%7B2x%20-%201%7D%20%20%3D%2012%5E%7Bx%7D%20" id="TexFormula1" title=" {5}^{2x - 1
nirvana33 [79]

step by step explanation:

Add 1 to both sides

52x−1+1=12x+1

Simplify

52x=12x+1

Subtract 12x from both sides

52x−12x=12x+1−12x

Simplify

40x=1

Divide both sides by 40

40x40 =140 

Simplify

x=140 

3 0
3 years ago
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