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ivanzaharov [21]
3 years ago
11

Cindy bought 5 dresses for $20 each and 3 pairs of shoes for $20 each. She used this expression to calculate the total amount sh

e spent. (5 × 20) + (3 × 20)
Mathematics
2 answers:
d1i1m1o1n [39]3 years ago
7 0
5*20 +3*20=160
She spent 160$
Flauer [41]3 years ago
6 0

Answer:

She spent $160 total

Step-by-step explanation:

(5 × 20) + (3 × 20)          Multiply in the parentheses first

100 + 60                        Add

$160 total

If this answer is correct, please make me Brainliest!

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The bakers fits 26 rolls on to a pan that measures 1 5/8ft2. How many square feet does the baker use for each roll
mihalych1998 [28]

Answer: 1/16 ft²

Step-by-step explanation:

The baker put 26 rolls into a pan that has an area of 1⁵/₈ ft².

Each roll is therefore taking up a space of:

= Area/ Number of rolls

Convert the fraction to an improper fraction:

1 ⁵/₈ = 13/8

= 13/8 ÷ 26

= 13/8 * 1/26

= 13/208

= 1/16 ft²

6 0
3 years ago
Select the two values of x that are roots of this equation.<br> 2x+11x+15= 0
Amiraneli [1.4K]

Answer:

The roots of the equation are x=-3 and x=-2.5

Step-by-step explanation:

<u><em>The correct quadratic equation is</em></u>

2x^2+11x+15=0

we know that

The formula to solve a quadratic equation of the form

ax^{2} +bx+c=0 is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

2x^{2} +11x+15=0  

so

a=2\\b=11\\c=15

substitute in the formula

x=\frac{-11(+/-)\sqrt{11^{2}-4(2)(15)}} {2(2)}

x=\frac{-11(+/-)\sqrt{121-120}} {4}

x=\frac{-11(+/-)\sqrt{1}} {4}

x=\frac{-11(+/-)1} {4}

x_1=\frac{-11(+)1}{4}=-2.5

x_2=\frac{-11(-)1}{4}=-3

therefore

The roots of the equation are x=-3 and x=-2.5

5 0
3 years ago
llean works as a welder in web designer as a welder she earns $18 per hour last week she works x hours as a wlder and her Fran p
melamori03 [73]
18 times x = $75

I wasn’t able to find the multiplication sign on my keyboard and didn’t want to confuse you so I replaced x with times
5 0
3 years ago
Consider the parabola with a focus at the point (4,0) and directrix y = 3.
satela [25.4K]

Answer:

answer of your questions

Step-by-step explanation:

The process of obtaining the equation is similar, but it is more algebraically intensive. Given the focus (h,k) and the directrix y=mx+b, the equation for a parabola is (y - mx - b)^2 / (m^2 +1) = (x - h)^2 + (y - k)^2.

7 0
3 years ago
What’s the slope<br> Can someone please help 20 points!!
alexgriva [62]
The slope of the line is: y= 2x+2
3 0
3 years ago
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