3 years ago

Jessica wants to buy a new team jacket that’s cost 35$

Mathematics

1 answer:

OlgaM077 [116]3 years ago

4 0

She would spend $35.00 on each jacket. Just multiply

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Is the first number a multiple of the second? 56, 8:

daser333 [38]

Answer:

Step-by-step explanation:

no bc 8 is a multiple of 56, not 56 a multiple of 8

if you could subscribe to my friend penny_pg3d on YT that would be great!

5 0

2 years ago

Factor the quadratic equation below to reveal the solutions. X^2+4x-21=-9

a_sh-v [17]

Answer:

x = 3 and x = -7

Step-by-step explanation:

The given quadratic equation is $x^2+4x-21=0$ . We need to find the solution of this equation.

If the equation is in the form of $ax^2+bx+c=0$ , then its solutions are given by :

$x=\dfrac{-b\pm \sqrt{b^2-4ac} }{2a}$

Here, a = 1, b = 4 and c = -21

Plugging all the values in the value of x, such that :

$x=\dfrac{-b+ \sqrt{b^2-4ac} }{2a},\dfrac{-b- \sqrt{b^2-4ac} }{2a}\\\\x=\dfrac{-4+ \sqrt{(4)^2-4\times 1\times (-21)} }{2(1)},\dfrac{-4- \sqrt{(4)^2-4\times 1\times (-21)} }{2(1)}\\\\x=3, -7$

So, the solutions of the quadratic equation are 3 and -7.

6 0

3 years ago

In the past ten years, the population of a city decreased from 90,000 to 75,000 Find the percent decrease.

vfiekz [6]

The answer is 31.5%.

8 0

3 years ago

Subtract the fraction write your answer in simplest form 6/8 - 3/10

jok3333 [9.3K]

Answer:

9/10 or 0.45 in decimal form

Step-by-step explanation:

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2 years ago

Sec={ }

Eduardwww [97]

Answer:

A choice

Step-by-step explanation:

sec is defined as 1/cos.

cos is again defined as adjacent to hypotenuse.

We know that adjacent is x and hypotenuse is r.

Therefore:- cos is x/r

Now sec is 1/cos = 1/(x/r)

1 ÷ x/r is 1•r/x

Thus:-

sec is r/x

3 0

2 years ago