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Lera25 [3.4K]
3 years ago
8

Simplify 1. 4(y - 3) + 2y 2. -2(b - 6) 3. 6x + 2 ­- 3x ­- 5

Mathematics
2 answers:
garri49 [273]3 years ago
5 0
Answers in order

6y-12
-2b+12
3x-3
Dafna11 [192]3 years ago
5 0
1.) 4(y-3)+27
4y-12+27
final answer:4y+15

2.)-2(b-6)
final answer:-2b+12

3.)6x+2-3x-5
6x-3x+2-5
final answer:3x-3

^_^
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Which of the following is the correct factorization of the polynomial below?
galben [10]

Answer:2(x-3)2

Step-by-step explanation:

6 0
3 years ago
What question is answered by the equation d=4 (32)
Doss [256]
By this equation:  d = 4(32), we know what d equals, which means we have the value of d. 

d= 4*32
d = 128
5 0
3 years ago
When you buy an item on which sales tax is charged,the total cost is calculated by the formula T=P+s/100p where T is the total c
Gennadij [26K]

Given:

The formula for total cost is

T=p+\dfrac{s}{100}p

where, p is the price of item and s is the sales tax rate (as a percent).

You pay $14.77 for an item priced at $14.

To find:

The the tax rate.

Solution:

You pay $14.77 for an item priced at $14. So,

Total cost (T) = $14.77

Price of item (p) = $14

Putting T=14.77 and p=14 in given formula, we get

14.77=14+\dfrac{s}{100}(14)

14.77-14=\dfrac{s}{100}(14)

0.77=\dfrac{s}{100}(14)

Multiply both sides by 100.

77=14s

Divide both sides by 14.

\dfrac{77}{14}=s

5.5=s

Therefore, the tax rate is 5.5%.

7 0
3 years ago
The tree in chucks yard is 48 feet tall. How many inches tall is the tree
Alex Ar [27]
There are 12 inches per foot. If the tree is 48 feet tall, it is 48 x 12 = 576 inches tall.
8 0
3 years ago
Read 2 more answers
find the area of triangle qpm. round the answer to the nearest tenth. a. 5.2 square units b. 6.3 square units c. 6.5 square unit
viva [34]
Pls. see attachment. 

We need to solve for the angles of the smaller triangle in order to solve for the angle of the larger triangle which would help us solve the missing measurement of a side.

Given:

51 degrees.

Cut the triangle into two equal sides and it forms a right triangle. All interior angles of a triangle sums up to 180 degrees.

180 – 51 – 90 = 39 degrees

39 degrees * 2 = 78 degrees.

Angle Q is 78 degrees.

In the bigger triangle, 4.3 is the hypotenuse. We need to solve for the measurement of the long leg which is the opposite of the 78 degree angle.

We will use the formula:

Sine theta = opposite / hypotenuse

Sin(78 deg) = opposite / 4.3

Sin(78 deg) * 4.3 = opposite

4.21 = opposite. This is also the height of the triangle.

 

Area of a triangle = ½ * base * height

A = ½ * 3units * 4.21units

A = 6.315 square units.

7 0
3 years ago
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