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katen-ka-za [31]
3 years ago
9

Find the value of x in the equation below. 15.4=x-13.9

Mathematics
1 answer:
finlep [7]3 years ago
3 0

Answer:

29.3

Step-by-step explanation:

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The cost of 15 ounces if chees is $6.00 what is the cost of 12 ounces of cheese
QveST [7]

Hi!

We will solve this using proportions. Let x be the cost for 12 ounces of cheese. We will start like this:

15 ounces : 6 $ = 12 ounces : x $

x $ = (6 $ * 12 ounces)/15 ounces

x $ = 72 $/15

x = 4,8$

The cost of 12 ounces of cheese is 4,8$.

Hope this helps!

7 0
3 years ago
Simplify.<br><br> x + (7 + 14x)<br><br> 15 x + 7<br> 21 x<br> 22 x<br> 21 x + 1
Gala2k [10]

Answer:

15x+7

Step-by-step explanation:

x+7+14x

x+14x+7

15x+7

6 0
3 years ago
Can someone help me out with this ??
nalin [4]

Answer:

1. b > -2

2. x <= 3

Step-by-step explanation:

Question 1:

-2(b + 5) < -6

Divide both sides by -2. Remember to change the inequality sign.

b + 5 > 3

Subtract 5 from both sides.

b > -2

Question 2:

-(x - 10) >= 7

Divide both sides by -1. Remember to change the inequality sign.

x - 10 <= -7

Add 10 to both sides.

x <= 3

6 0
3 years ago
0.8342 as a fraction?
ratelena [41]

Answer:

4171/5000

Step-by-step explanation:

When diving 4171 by 5000, you get the answer of 0.8342. If you are using a calculator, you can use a button that allows you to convert decimals to fractions and vice versa.

5 0
3 years ago
Differentiate 2sin(5x-3)
anygoal [31]
f(x)=2\sin(5x-3)\\&#10;f'(x)=2\cos(5x-3)\cdot5=10\cos(5x-3)
3 0
3 years ago
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