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Svet_ta [14]
2 years ago
9

How much should be added to 58.4 to makes 400?​

Mathematics
1 answer:
Ket [755]2 years ago
6 0

Answer:

341.6

Step-by-step explanation:

400-58.4=341.6

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The height of a tree, y, is related to the length of its shadow, x, by the equation y = kx. If a tree's height is 24 feet and it
Marta_Voda [28]

Answer:

The value of k is 8/3

Step-by-step explanation:

To find this, start with the base equation and input the values. Then solve for k.

y = kx

24 = k9

24/9 = k

8/3 = k

6 0
3 years ago
Which expression below is equivalent to the expression: 12^3 x 12^9 x 12^4 x 12•2. (I NEED HELP HURRY)
Whitepunk [10]

Answer:

12⁽¹⁸⁾

Step-by-step explanation:

The expression is given as ;

12³ × 12⁹× 12⁴× 12²  -----same base, add the powers according to law of indices

12⁽³⁺⁹⁺⁴⁺²⁾  

12⁽¹⁸⁾

5 0
2 years ago
Read 2 more answers
Sarah saved $12.75 every week for a number of weeks, w. She received an additional $25 during the last week in which she saved m
Umnica [9.8K]

Answer:

12.75w + 25 = 114.25

w = 7

Step-by-step explanation:

since sarah is receiving 12.75 each week for a number of weeks, w (we don't know its value yet)  we know that first part of the equation: that 12.75 is the coefficient next to w. Then we have the extra 25, so we know that adding 12.75w and 25 would give us sarah's total amount, which is 114.25.

to find out what w represents, we have to solve for it. solving for w means isolating it on one side. so, what we can do first is subtract 25 from both sides. that would then make the equation:

12.75w = 89.25

now, we have only one step left to isolating w, and that's to get 12.75 on the other side somehow. since we're multiplying 12.75 with w, and we're applying additive inverse properties, meaning the opposite of what is happening to cancel it out on the side it's in, we would divide 12.75 on both sides. in the left, 12.75 would cancel out, and in the right, we would divide 89.25 by 12.75. the quotient is 7.

now there's nothing left to take out to isolate w, so we have:

w = 7

sarah saved up for 7 weeks.


3 0
3 years ago
During swim practice Brandi swam 6 butterfly stroke laps and 8 freestyle laps. What is the ratio of freestyle laps to total laps
densk [106]

Answer:

4:7

Edit: I just saw the multiple choice options, in this case the right answer is:

<h2>8:14</h2>

but they're both equal

Step-by-step explanation:

The ratio you are looking for is

freestyle laps : (freestyle + butterfly) laps

so:

8 : (6+8)

8:14

Divide by 2 to simplify

4:7

7 0
2 years ago
Determine the equation of the line passing through the points (4,1) (9, -1)
kvv77 [185]
This is my work I hope it helps the equation is
y=-2/5x+13/5

5 0
3 years ago
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