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Anestetic [448]
3 years ago
12

I need help with this problem. Please!

Mathematics
1 answer:
Leviafan [203]3 years ago
6 0
The first blank is 69 degrees
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Write (-2,5) and (0,8) linear equation in slope intercept form
maxonik [38]

Answer: y= 3/2x+8

Step-by-step explanation:

5 0
3 years ago
Keelah's clothing store bicycles for $50 and then sells them for $80 what is the percent of markup on the price of the coat
kondaur [170]

Answer:

62.5%

Step-by-step explanation:

We can write a proportion. We know that $50 is the original value and $80 is the marked up price. We don't know the marked up percentage. Let's call it x. We write equal ratios of \frac{x}{100} comparing percent and \frac{50}{80} comparing the 50 to the marked up price. We then set them equal.

\frac{x}{100} =\frac{50}{80}

We then cross multiply across the equal sign from numerator to the opposite numerator.

80(x)=50(100)

80x=5000

We divide to find x.

x=62.5

This means the bicycles are marked up 62.5% and the original value is 37.5%.

8 0
3 years ago
An initial amount of 250 grows at a rate of 10% every year. Write an
Bingel [31]

Answer:

10% of 250 = 25.

When getting an increase, (using ^ for this example) add 25 to 250, getting 275. That's one increase of 10%. For an increase of 5 years (x = 5) divide 250/10=25, then multiply 25x5=125. That is the increase number. Add 125+250=375. Y=375

X = 5, Y = 375

7 0
3 years ago
será que me pueden ayudar con las siguiente ecuaciones y con verificación por favor gracias son 8 ecuaciones 1) 3x+7=-5 2) 4=3x+
Musya8 [376]

Answer:

see below

Step-by-step explanation:

1. 2+5x=4x+7

5x-4x=7-2

x=5

2. 4x-5=1+3x

4x-3x=1+5

x=6

3. 8-5x-4=-6x+6

-5x+6x=6-8+4

x=2

4. 4x+8+2x=5x-1

6x-5x=-1-8

x= -9

7 0
3 years ago
What is the trinomial factor of x^3 + y^3 ?
sammy [17]

Answer:

B

Step-by-step explanation:

x³ + y³ ← is a sum of cubes and factors in general as

x³ + y³ = (x + y)(x² - xy + y²)

with trinomial factor (x2 - xy + y2) → B

3 0
3 years ago
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