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Anvisha [2.4K]
3 years ago
13

PLEASE DO IT WITH STEPS FAST BEFORE 5:00

Mathematics
1 answer:
Naily [24]3 years ago
4 0

\frac{5}{2} =\frac{6}{x} \\5x=12\\x=2.4HOW TO SOLVE PROPORTIONS:

CROSS-MULTIPLY.

Please mark Brainliest!

\frac{5}{2} = \frac{2}{x}\\5x=4\\x=0.8

\frac{21}{27} =\frac{x}{18} \\27x=378\\x=14\\

\frac{h} {108} =\frac{7}{18}

18h=756

h=42

\frac{45}{792} = \frac{70}{w}

45w=55,440

w=1,232

  \frac{4}{9} =\frac{10}{x}\\4x=90\\x=22.5

I hope it helps!

*AmbitiousChild*

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Please help, due today
olga_2 [115]

Answer:

[-8,8]

Step-by-step explanation:

domain is the set of x values that the graph covers

This graph starts at -8 and ends at 8 (including those points and all points between them).

That makes the domain [-8,8]

3 0
3 years ago
A sporting good store is offering an additional 30% off all clearance items and she purchases a pair of running shoes on clearan
Talja [164]

Answer:

Total discount = $39.50

                  or 46.47 %

Step-by-step explanation:

First we need to figure out what she will pay for the shoes.  She is getting 30 percent off the 65 dollars.

Discount = price * percent off

                = 65*.3

                = 19.50

The cost of her shoes is the price minus the discount.

Cost = 65- 19.5

        = 45.50


To find the total discount, take the original price and subtract the final cost.

Total discount = 85-45.50

                        = 39.50

To find the total percent discount, we use the formula

      total percent discount = (original - final)/original * 100

                                             = (85- 45.50)/85 * 100

                                             = 39.5/85*100

                                              = 46.47%

4 0
3 years ago
What’s 7843 divided by 3
solmaris [256]

Answer:

2614.33333333

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Suppose we want to choose 7 objects, without replacement, from 10 distinct objects.
Citrus2011 [14]

Answer:

= 604800

Step-by-step explanation:

10 permute 7

the order matters

10 x 9 x8 x7 x6 x5 x4

hope this helps

7 0
2 years ago
3. Find f[h(a+4)], given the functions below. *
mote1985 [20]

Answer:

C 5a^2 +70a +240

Step-by-step explanation:

We have given these following functions:

f(x) = 5x, g(x) = -2x + 1, h(x) = x^2 + 6x + 8

h(a+4)

This function is:

h(a+4) = (a+4)^2 + 6(a + 4) + 8

h(a+4) = a^2 + 8a + 16 + 6a + 24 + 8

h(a+4) = a^2 + 14a + 48

f[h(a+4)]

f(x) = 5x

Thus

f(h(a+4)) = f(a^2+14a+48) = 5(a^2 + 14a + 48) = 5a^2 + 70a + 240

The correct answer is given by option C.

8 0
3 years ago
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