3 years ago

Please answer this question now in two minutes

Mathematics

1 answer:

shepuryov [24]3 years ago

7 0

Answer:

40m Since it is the shortest side

Step-by-step explanation:

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2-(-9)-8 i neeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeed helppppppppppppp

ahrayia [7]

$2 - ( - 9) - 8 \\ 2 + 9 - 8 \\ 11 - 8 \\ 3$

In the first step multiply the negative after two and the negative with 9 (negative times negative equals to positive )the according to BEDMAS from left to right do addition and subtraction

Hope it helps

Please give brainliest

5 0

1 year ago

What value for C will make the expression a perfect square trinomial x2-7x+c

Tom [10]

Answer:

The value of c is 12.25

Step-by-step explanation:

we know that

A perfect square trinomial is of the form

$(x-a)^{2}=x^{2}-2ax+a^{2}$

In this problem we have

$x^{2}-7x+c$

equate the equations

$x^{2}-7x+c=x^{2}-2ax+a^{2}$

we have

the following equations

$-7x=-2ax$ -----> equation A

and

$c=a^{2}$ -----> equation B

<u>Solve the equation A</u>

$-7x=-2ax$

$7=2a$

$a=3.5$

<u>Solve the equation B</u>

$c=a^{2}$

$c=3.5^{2}=12.25$

therefore

$(x-3.5)^{2}=x^{2}-7x+12.25$

The value of c is 12.25

7 0

2 years ago

Read 2 more answers

Hey I really need help solving this question. Thank you in advanced!

SVETLANKA909090 [29]

Step-by-step explanation:

i think a is the answer of this question.

5 0

2 years ago

Write an equation in slope-intercept form for the line with slope 8 and y-intercept -8.

Fofino [41]

Answer:

y = 8x - 8

Step-by-step explanation:

y = mx + b is slope-intercept form

m - slope

b - y-intercept

so if you plug in 8 for m and -8 for b you'll get

y = 8(m)x - 8(b)

Hope this helps!!

6 0

2 years ago

When finding the least common denominator you have to multiply the number by other factors such as 1,2,3 etc. true or false help

Mashutka [201]

Answer:

True

Step-by-step explanation:

One way to find the least common multiple of two or more numbers is to first multiply each by 1, 2, 3, etc.

4 0

2 years ago