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3 years ago

HELP ASAP PLEASE & SHOW UR WORK!! THANK YOU <3

Mathematics

1 answer:

olchik [2.2K]3 years ago

4 0

Answer:

x^2 - 5x = 14

x^2 - 5x-14 = 0

Now, we have to find the multiples of -14 and numbers that add/subtract to -5; this helps to find the factors.

-7+2 = -5

-7*2 = -14

Based on the above info, we can find out my factors; they are:-

(x-7)(x+2)

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The charge for a bicylce repair was $9.28 for parts, 1/4 hour of labor at $18 per hour, and a $2 shop fee. What was the total co

Bas_tet [7]

9.28 plus 2 is 11.28. 1/4 of 18 is 4.50. Add 4.50 to 9.28 and your total is $15.78.

The equation would be:
9.28+18(.25)+2=c

7 0

3 years ago

What is the volume of this figure?

melomori [17]

<h3><u>Explanation</u> :-</h3>

Volume of a square box is equal to the cube of the length of the side of the square box.
The formula for the volume is V = s³, where "s" is the length of the side of the square box.

$\qquad$ ____________________

It’s given–

Length of one side is = 7cm

$\bf{\underline{\underline{\dag According\ to\ the\ question:-}}}$

$\qquad$ $\purple{\bf\longrightarrow {Volume = 7^3} }$

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Hence, option C is the correct option!

5 0

2 years ago

Read 2 more answers

BRAINLIESTTT ASAP! PLEASE HELP ME :)

iren2701 [21]

Answer:

Here's what I get

Step-by-step explanation:

a. Write an equation

(8x + 12y)² + (6x + 9y)²= (10x + 15y)²

b. Transform the equation

(i) Remove parentheses

64x² +192xy + 144y² + 36x² + 108xy + 81 y² = 100x² +300xy + 225y²

(ii) Combine like terms.

100 x² + 300xy + 225y² = 100x² +300xy + 225y²

The two sides are the same.

The equation is an identity.

3 0

2 years ago

Triangle ABC has < A ≅ < B and BC ≅ AC. Find m

lapo4ka [179]

there is no drawing how should I do

4 0

2 years ago

Herbert has sold 90, 45, 103 and 68 appliances in the last four months, respectively. How many appliances will he need to sell t

Elena-2011 [213]

Answer:

The sale this month = 79

Step-by-step explanation:

Let the amount he needs to sell this month = x

$Average = \frac{sum\ of\ individual\ data\ }{number\ of\ entries}$

$Average= \frac{90\ +\ 45\ +\ 103\ +\ 68\ +\ x}{5}$

Note that number of entries = number of months = 5

To maintain an average sales of 77, the amount of sale in month 5 is determined as follows:

$77 = \frac{306\ +\ x}{5} \\cross-multiplying\\77\ \times\ 5\ = 306\ +\ x\\385 = 306\ +\ x\\x =385\ -\ 306\\x = 79$

7 0

3 years ago