3 years ago

Please help me please will give brainliest

Mathematics

1 answer:

alisha [4.7K]3 years ago

3 0

Answer:

$16\sqrt{17}$

Step-by-step explanation:

The perimeter is two times width plus two times length:

$2\sqrt{17} + 2\cdot 7\sqrt{17} = 2\sqrt{17} + 14\sqrt{17} = 16\sqrt{17}$

There is no way to simplify further.

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Factor the trinomial!! PLEASE HELP and if possible please explain how to do this!!

Nikitich [7]

Answer:

d. a = 39

Step-by-step explanation:

Question:

for which value of "a" will the trinomial be factorizable.

x^2+ax-40

For the expression to have integer factors, a = sum of the pairs of factors of -40.

-40 has following pairs of factors

{(1,-40), (2,-20, (4,-10), (5,-8), (8, -5), (10,-4), (20,-2), (40,-1) }

meaning that the possible values of a are

+/- 39, +/- 18, +/- 6, +/- 3

out of which only +39 appears on answer d. a=39

4 0

3 years ago

Alyssa earns $408 for selling $3400 worth of shoes. What is the commission rate? *(2 points)18%12%15%Oa10%

tekilochka [14]

Alyssa earns $408 as commission

She sold shoes worth of $3,400

The formula to find commsion rate is

$Commission=\frac{Commission\text{\%}}{100\text{\%}}\times selling\text{ price}$

Where

$\begin{gathered} \text{Commission }=\text{ \$304} \\ \text{Selling price = \$3400} \end{gathered}$

The commission rate will be

$undefined$

3 0

1 year ago

Use the discriminant to determine the number of real solutions of the equation.<br> x^2 = -6x - 10

HACTEHA [7]

Answer:

No real solutions.

Step-by-step explanation:

x² + 6x + 10 = 0

a = 1

b = 6

c = 10

D = b² - 4ac = 6² - 4*1*10 = 36 - 40 = - 4

- 4 < 0,

so this equation has no real solutions.

8 0

2 years ago

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Jennifer spent $25 on a magazine and some erasers. If the magazine cost $5 and each eraser cost 4, then how many erasers did she

Natali [406]

Answer:

she bought 5 erasers

Step-by-step explanation:

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3 years ago

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GaryK [48]

A circle is a fixed distance from all other points on the circle

5 0

3 years ago

Please help me please will give brainliest ​

Please help me please will give brainliest