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4 years ago

Will give many points! PLEASE HELP!

Mathematics

2 answers:

kupik [55]4 years ago

4 0

Answer:

x = 4.8

Step-by-step explanation:

PQRST is just a dilation of ABCDE, so you can take two similar sides that have a measurement from each figure and divide them. Then, take this number (1.6), and multiply it by the similar side of TP (EA) to find x.

nataly862011 [7]4 years ago

3 0

Answer:

24/5 (4.8)

Step-by-step explanation:

5:8 = 3:x

Divide both sides by 3

5:24 = 1:x

That means 24/5 = x

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What is f if the equation is -3/4f=5/4?

Lilit [14]

Answer:

Exact Form:

f=-5/3

Decimal Form:

f= -1.6

Mixed Number form:

f= -1 2/3

Step-by-step explanation:

Solve for f by simplifying both sides of the equation , then isolating the variable .

Exact Form:

f=-5/3

Decimal Form:

f= -1.6

Mixed Number form:

f= -1 2/3

8 0

3 years ago

Lester’s car can go 15.4 miles on 1 gallon of gas. How far can he go on 0.7 gallon?

MAVERICK [17]

Answer:

He can go 10.78 miles

Step-by-step explanation:

This problem can be solve by creating a proportion, knowing that 15.4 miles is to one gallon the same as "x" miles (our unknown) is to 0.7 gallons. This can be set in math terms as the equation that relates these two ratios of miles per gallon:

$\frac{15.4\,miles}{1\,gallon} =\frac{x }{0.7\,gallon}$

and to solve for the unknown number of mile, we multiply both sides of the equation by "0.7 gallon" in order to isolate our unknown:

$\frac{15.4\,miles}{1\,gallon} =\frac{x}{0.7\,gallon}\\\frac{15.4\,miles\,*\,0.7\,gallon}{1\,gallon} =x \\x=10.78\,miles$

7 0

4 years ago

What is the value of the function y=4x-19 when x=-2.3?<br> y=_____?

IRINA_888 [86]

$y=4x-19\\\\put\ the\ value\ of\ x=-2.3\ to\ the\ equation:\\\\y=4(-2.3)-19=-9.2-19=\boxed{-28.2}$

7 0

3 years ago

Find the area of the lateral faces of the right triangular prism with altitude of 5 cm and base edges of length 3 cm, 4 cm, and

spayn [35]

We know that
area of lateral faces of the <span>right triangular prism=perimeter of base*height

perimeter of the base=[3+4+5]----> 12 cm
height of the prism=5 cm
so
</span>area of lateral faces of the right triangular prism=12 cm*5 cm---> 60 cm²

the answer is
60 cm²

8 0

4 years ago

Solve for x. Show each step of the solution. 4.5(4 − x ) + 36 = 202 − 2.5(3x + 28)

IgorLugansk [536]

Answer:

Step-by-step explanation:

l,mmmkm

4 0

3 years ago