2 years ago

one number is four times another number. the larger number is also 87 more than the smaller number. Find the number

Mathematics

1 answer:

Mama L [17]2 years ago

6 0

The small number is 21.75

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If I get 27 questions correct and the percent is 90 how many questions are there?

Mamont248 [21]

27 is 90% of 30. Hope that helps.

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2 years ago

On a coordinate plane the vertices of a rectangle are (2,4), (2-1),(-5,-1),and (-5,4).what is the perimeter of the rectangle?

Sav [38]

When plotted, there are 5 units in length when plotting and 7 units in width when plotting. This is equivalent to 24 units.

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2 years ago

You have $20 to spend. You buy socks that cost $3 per pair. Write an algebraic expression for the amount of money you have left

Black_prince [1.1K]

Answer:

20-3s

Step-by-step explanation:

20-3s

4 0

2 years ago

Read 2 more answers

Diagram 1 shows absolute function of f(x)= 3x-1a)State the domain for that functionb)State the value of a

omeli [17]

The function given is,

$f(x)=3x-1$

a) Domain

This is the set of all points over which a function is defined.

Therefore, the domain of the function is

$-2\leq x\leq1$

b) Solving for the value of a

To solve for the value of a, the value of y = 0 at x = a

Therefore,

$\begin{gathered} f(x)=3x-1 \\ \text{where,} \\ f(x)=y=0 \\ x=a \end{gathered}$

Solving for a

$\begin{gathered} 0=3(a)-1 \\ 0=3a-1 \\ \end{gathered}$

Collect like terms

$\begin{gathered} 3a=0+1 \\ 3a=1 \end{gathered}$

Divide both sides by 3

$\begin{gathered} \frac{3a}{3}=\frac{1}{3} \\ a=\frac{1}{3} \end{gathered}$

Hence,

$a=\frac{1}{3}$

3 0

7 months ago

PLEASEEEE HELPP!!!!!!!!

nevsk [136]

Answer:

C) 2400

Step-by-step explanation:

Combinations are a way to calculate the total outcomes of an event where order of the outcomes does not matter.

Computers = 10

Printers = 3

Scanners = 5

Telephone = 8

Copiers = 2

Possible outcome = 10 x 3 x 5 x 8 x 2 = 2400

5 0

2 years ago