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3 years ago

-2x<10 I'm confused on if the sign gets flipped, it's been a while

Mathematics

1 answer:

Solnce55 [7]3 years ago

5 0

Yes, it gets flipped if you’re dividing by a negative :)

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Practice D. Factor each trinomial.

Pachacha [2.7K]

Answer:

So 1) x²-2x-8

=  x(x-2-8/x)

2) y²-13y+42

 = y(y-13+42/y)

3) m²-6m-7

 = m(m-6-7/m)

Hope it helps

5 0

3 years ago

Will mark as brainliest

lapo4ka [179]

Answer:

-1 + 2 = 1

1 + (-2) = -1

-1 - 2 = -3

1 - (-2) = 3

Step-by-step explanation

When you subtract use keep change change

Rule 1 when you add : If the signs are the same add the numbers and take the sign of the bigger number.

Rule 2 when you add : If the signs are different subtract the numbers and take the sign of the bigger number.

I wanted to help you understand and i hope i did that!

8 0

3 years ago

What's the volume of a cone with the base of 14ft?

Nostrana [21]

Answer:

$volume = \frac{1}{3} \pi {r}^{2} h \\ but \: h = 7 \tan(50 \degree) \\ h = 8.34 \: ft \\ volume = \frac{1}{3} \times 3.146 \times {(7)}^{2} \times 8.34 \\ volume = 428.55 \: cubic \: ft$

7 0

3 years ago

A car rental cost 30 a day plus 0.65 per mile after the first 100 miles you are traveling 215 miles in 3 days how much will your

hichkok12 [17]

Answer: His total rental cost will be $164.75.

Step-by-step explanation:

Since we have given that

Cost of per day = $30

Cost of per mile after the first 100 miles = $0.65

According to question, he was travelling 215 miles in 3 days.

So, it becomes,

$30\times 3+0.65\times (215-100)\\\\=90+0.65\times 115\\\\=90+47.75\\\\=\$164.75$

Hence, his total rental cost will be $164.75.

6 0

3 years ago

Find BC if B(8,-7) and C1-4,-2).

Alika [10]

Using distance formula :

$\sqrt{(x_2 - x_1) {}^{2} + (y_2 - y_1) {}^{2} }$

$\sqrt{(8 - ( - 4)) {}^{2} + ( - 7 - ( - 2)) {}^{2} }$

$\sqrt{(12) {}^{2} + ( - 5) {}^{2} }$

$\sqrt{144 + 25}$

$\sqrt{169}$

$13 \: \: units$

4 0

3 years ago

-2x<10 I'm confused on if the sign gets flipped, it's been a while ​

-2x<10 I'm confused on if the sign gets flipped, it's been a while