3 years ago

Can someone help me to answer this question?

Mathematics

1 answer:

kolezko [41]3 years ago

5 0

I know how to do this first one.....

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Someone help pls i will mark u brainliest

Alla [95]

Answer:

Step-by-step explanation:

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3 years ago

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Factor 10c^2-60cd +80d^2

ozzi

$10c^2-60cd +80d^2$

$(2c - 8d) (5c -10d)$

$this \\ is \\ because...$

$2c*5c=10c^2$

$2c * -10d=-20cd \\ -8d*5c=-40cd \\ -20cd-40cd=-60cd$

$-8d * -10d = 80d$

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3 years ago

Solve the equation 9%-6.375. Answer in fractions.

IRINA_888 [86]

Answer: -6 $\frac{57}{200}$

Step-by-step explanation:

9% = .09

.09-6.375 = −6.285

6.285 = 6.285/1 = 62.85/10 = 628.5/100 = 6285/1000

GCF = 5, 1257/200 = 6 $\frac{57}{200}$

-6 $\frac{57}{200}$

-6.285 = -6 $\frac{57}{200}$

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4 years ago

A prism and two nets are shown below:

vladimir1956 [14]

A) Net A would be the correct net for the prism.

B) AB = 3in
BC = 5in
CD = 8.6in

C) area of one triangle : 4*3/2 = 6
But there's 2 triangles so 6*2 = 12cm2
Area of the middle square : 8.6*4 = 34.4cm2
Area of bottom square : 8.6*5 = 43cm2
Area of top rectangle : 8.6*3 = 25.8cm2

Finally add all of these areas together and you will get the surface area : 115.2cm

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4 years ago

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The first month a company was open, it had 2 employees. At the end of 6 months, the company had 10 employees. If the number of e

deff fn [24]

the equation would be 2[6]+10 however if we were to solve it would have been 2(6)+10 = 22 employees

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3 years ago