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galben [10]
3 years ago
6

Simplify the expression. 34.-30

Mathematics
1 answer:
Oksana_A [137]3 years ago
8 0

Answer:

See below for the answer

Step-by-step explanation:

34 x - 30

-1020

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-6n-20=-2n+4 (1-3n)<br> how do you solve it?
Leona [35]
6n−20=−2n+4(1−3n)

Simplify both sides of the equation.

−6n−20=−2n+4(1−3n)

−6n+−20=−2n+(4)(1)+(4)(−3n)(Distribute)

−6n+−20=−2n+4+−12n

−6n−20=(−2n+−12n)+(4)(Combine Like Terms)

−6n−20=−14n+4

−6n−20=−14n+4

Add 14n to both sides.

−6n−20+14n=−14n+4+14n

8n−20=4

Add 20 to both sides.

8n−20+20=4+20

8n=24

Divide both sides by 8.

8n/8 = 24/8

n=3

7 0
3 years ago
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The length of one rectangle is 4 and the width is 2x-6. The length of another rectangle is 1/2 and the width is 6x+2. How much l
Assoli18 [71]
The answer is that the first one is not the longer one the second one is.
the first one equals 2
the second one equals 5
8 0
3 years ago
How many milliliters of olive oil (D=0.92 g/mL) have the same mass as 1.80 L of gasoline (D= .74 g/mL)
True [87]

Answer:

1448 mL

Step-by-step explanation:

The mass is the same.

Formula

m = d*V

Givens

<em><u>Olive Oil</u></em>

d = 0.92 grams / mL

V = ??

<em><u>Gasoline</u></em>

d = 0.74 grams / mL

V = 1.8 L = 1.8 L * (1000 ml / L)

V = 1800 mL

Solution

0.74 * 1800 mL = 0.92 * x                      Divide both sides by 0.92

0.74/0.92 * 1800 mL = 0.92 *x / 0.92   Combine the left

0.8043  * 1800 mL = x

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The volume of Olive Oil needed is 1448 mL

   


5 0
3 years ago
Tammy is creating potpourri bowls using 40 bags of shredded bark and 20 bags of flower
Anni [7]

Answer:

20

Step-by-step explanation:

She only has 20 bags of flower petals, so she cannot create more than that. Because 40 is divisible by 20, she can make 20 bowls.

5 0
2 years ago
P is the probability of a certain event. Which of the following indicates that P is certain to happen?
podryga [215]
Note for probability, if it will never happen the P = 0. If it must happen P = 1.

So certain to happen:

C. P=1

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3 years ago
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