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3 years ago

13

A washer and a dryer cost $562 combined. The washer costs $88 less than the dryer. What is the cost of the dryer?

2 answers:

Yanka [14]3 years ago

8 0

Answer:

<em>Let the dryer cost x.</em>

<em>Then, the washer costs (x+87)</em>

<em> </em>

<em>Together, they cost (x) + (x+87) = 787</em>

<em> 2x+87 = 787</em>

<em> 2x = 700 [subtract 97 from both sides]</em>

<em> x = 350 [divide both sides by 2]</em>

<em> </em>

<em>The dryer cost $350.</em>

<em> </em>

<em>Check: The washer cost $437. Together, they cost $787 [good to check, right?]</em>

<em></em>

<em><u>Hope this helps...</u></em>

Pavel [41]3 years ago

5 0

Answer:

474

Step-by-step explanation:

Always remeber less then means subtract ok

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weqwewe [10]

They share a common root in -pathy, from the Greek pathos, "feeling." Where they differ is in their prefixes: sym- means "with," while em- means "in." If you can empathize with someone, it's because you have been in their place: you've "walked a mile in their shoes," as the saying goes. Definitions of empathy.

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8 0

3 years ago

What is x^2+8x-5 in vertex form? Please explain.

faust18 [17]

$x^2+8x-5=\\
x^2+2\cdot4\cdot x-5=\\
x^2+2\cdot4\cdot x+4^2-4^2-5=\\
(x+4)^2-16-5=\\
(x+4)^2-21
$

5 0

3 years ago

Read 2 more answers

An arithmetic sequence has a first term of 4 and a common difference of 3. What is the 20th term

tino4ka555 [31]

Answer:

61

Step-by-step explanation:

aₙ = a₁ + (n - 1)d

aₙ = 4 + (20 - 1)3

aₙ = 4 + (19)3

aₙ = 4 + 57

aₙ = 61

8 0

2 years ago

Write an equation in slope-intercept form of the line that passes through <br> (1,-9) and (-3,-9)

yulyashka [42]

Answer: y = 9

Step-by-step explanation:

Since two points are given , we will use the formula for finding the equation in two points form , which is

$\frac{y -y_{1}}{x -x_{1}}$ = $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$x_{1}$ = 1

$x_{2}$ = -3

$y_{1}$ = -9

$y_{2}$ = -9

Substituting into the formula , we have

$\frac{y-(-9)}{x - 1}$ = $\frac{-9-(-9)}{-3-1}$

$\frac{y+9}{x - 1}$ = $\frac{-9+9}{-3-1}$

$\frac{y+9}{x - 1}$ = $\frac{0}{-4}$

$\frac{y+9}{x - 1}$ = 0

y + 9 = 0

y = 9

4 0

3 years ago

Determine f(5) <br> f(x)=2x'2-1 if x < or equal to -1<br> 3x+2 if x > -1

kolezko [41]

Answer:

To make it clearer, I just put every thing under the formal form

f(x) = $\left \{ {{2x^2-1~~~~if~~~~ x\leq -1} \atop {3x+2~~~~~if~~~~~x>-1}} \right.$

Step-by-step explanation:

Now, you have 2 equations with 2 conditions. One is > -1, and one is < -1.

The question is about f (5). So, which equation you use to replace x = 5? The first one or the second one? and why?

Answering those questions help you understand how it works.

8 0

3 years ago