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kogti [31]
3 years ago
7

8. The product of 5, and 3 more than twice a number, is 85. What is the number?

Mathematics
1 answer:
Zolol [24]3 years ago
6 0

Answer:

Step-by-step explanation:

5(2x+3) = 85

10x + 15 = 85

x = (85 - 15)/10

x = 7

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A washer and a dryer cost $450 combined. The cost of the washer is two times the cost of the dryer. What is the cost of the drye
lisabon 2012 [21]

Answer:

$150

Step-by-step explanation:

so you can divvy this up into 3 parts

$150 each

now put 2 parts into one, and one into the other. The cost of the washer is $150

cost of the dryer is$ 300

5 0
3 years ago
If measure of angle 1=30, then measure of arc ab=
Mnenie [13.5K]
An arc of a circle has the same measure as the central angle that intercepts it.

Central angle 1 intercepts arc AB.

The measure of central angle 1 is the same as the measure of angle AB.

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5 0
3 years ago
Find the value of x in the below complementary angle 3x(5x+2)​
Natali [406]

Answer:

The value of x is 11

Step-by-step explanation:

<em>Two angles are complementary if the sum of their measures is 90°</em>

Let us use this rule to solve our question

∵ The angle of measure (3x)° and the angle of measure (5x + 2)°

   are complementary angles

→ That means their sum equals 90°

∴ 3x + 5x + 2 = 90

→ Add the like terms in the left side

∵ (3x + 5x) + 2 = 90

∴ 8x + 2 = 90

→ Subtract 2 from both sides to move 2 from the left side to the right side

∵ 8x + 2 - 2 = 90 - 2

∴ 8x = 88

→ Divide both sides by 8 to find x

∵ 8x/8 = 88/8

∴ x = 11

∴ The value of x is 11

7 0
3 years ago
On a large baking tray, 40 cookies can be baked together. To bake 40 cookies it takes 14 minutes, for baking 80 cookies it takes
zalisa [80]
The answer is B (56) because it states that it takes 14 minutes to bake 40 cookies, and you already have 100 cookies so you would just add the time it took to bake 40 cookies which would be 42+14=56
6 0
3 years ago
The number 844,758,200,030 will be rounded to
cestrela7 [59]

Answer:

Trillion because the 2 test is billion

6 0
2 years ago
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