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Mama L [17]
2 years ago
8

What are the answers to these 4 questions

Mathematics
1 answer:
miv72 [106K]2 years ago
7 0

Answer:

These are easy you should know

Step-by-step explanation:

But it looks like you got the answers already God Bless

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Solve for x, the triangles are similar
elixir [45]

Answer:

x = 12

Step-by-step explanation:

Δ ESR and Δ EGF are similar, then ratios of corresponding sides are equal, so

\frac{ES}{EG} = \frac{ER}{EF} , substitute values

\frac{45}{12x-3} = \frac{55}{143} ( cross- multiply )

55(12x - 3) = 6435 ( divide both sides by 55 )

12x - 3 = 117 ( add 3 to both sides )

12x = 120 ( divide both sides by 12 )

x = 10

5 0
3 years ago
A driver is 19 meters below the surface of the water. Use an integer to represent how far the driver will need to travel to reac
Tresset [83]

Answer:

19 metres

Step-by-step explanation:

3 0
2 years ago
HELP PLEASE. A truck bed has a volume of 120 cubic feet. The bed is 4 feet wide and has a height of
erastova [34]

Answer:

D

Step-by-step explanation:

Volume = lwh

120 = l(4)(3)

l = 10 feet

5 0
2 years ago
Please answer as fast as you can.<br> what is 30 + 5(2x -1) + 20
Komok [63]

Answer:

1 Collect like terms.

5(2x-1)+(30+20)

2 Simplify.

5(2x-1)+50

3 Expand by distributing terms.

10x-5+50

4 Collect like terms.

10x+(-5+50)

5 Simplify.

10x+45

Hope this helps!! <3

5 0
3 years ago
Read 2 more answers
Your computer-supply store sells two types of inkjet printers. The first, type A, costs $237 and you make a $22 profit on each o
Vera_Pavlovna [14]
The minimum cost option can be obtained simply by multiplying the number of ordered printers by the cost of one printer and adding the costs of both types of printers. Considering the options:
69 x 237 + 51 x 122 = 22,575
40 x 237 + 80 x 122 = 19,240
51 x 237 + 69 x 122 = 20,505
80 x 237 + 40 x 122 = 23,840
Therefore, the lowest cost option is to buy 40 of printer A and 80 of printer B

The equation, x + 2y ≤ 1600 is satisfied only by options:
x = 400; y = 600
x = 1600
Substituting these into the profit equation:
14(400) + 22(600) - 900 = 17,900
14(1600) + 22(0) - 900 = 21,500
Therefore, the option (1,600 , 0) will produce greatest profit.
7 0
3 years ago
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