3 years ago

What numbers multiplied equal to -4 and add up to 8

Mathematics

1 answer:

crimeas [40]3 years ago

8 0

Answer:

scdeceece

Step-by-step explanation:

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In AWXY, WY is extended through point Y to point Z, m_YW X = (2x + 12),

Alja [10]

Answer:

Sum of two interior angles=exterior angle

$\\ \sf\longmapsto 2x+12+2x+5=7x-1$

$\\ \sf\longmapsto 4x+17=7x-1$

$\\ \sf\longmapsto 3x=18$

$\\ \sf\longmapsto x=6$

Done!

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2 years ago

Ryan tried to solve the system of equations shown below.

Romashka-Z-Leto [24]

Answer:

I believe the answer is A

He is correct. If the second equation is multiplied by 2 and added to the first equation, the result is 0=3 , which means the system has no solution.

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3 years ago

The height h is greater than 2.5 meters.<br> Write an inequality for the word sentence

Zielflug [23.3K]

Answer:

H > 2.5

Step-by-step explanation:

Greater = >

Lessthan = <

Equal = =

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3 years ago

What is the square root of 64

tester [92]

Answer:

Step-by-step explanation:

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2 years ago

Read 2 more answers

If 2k, 5k-1 and 6k+2 are the first 3 terms of an arithmetic sequence, find k and the 8th term.

Simora [160]

Consecutive terms in an arithmetic sequence differ by a constant $d$ . So

$5k-1=2k+d$
$6k+2=5k-1+d$
$\implies\begin{cases}3k-d=1\\k-d=-3\end{cases}\implies k=2,d=5$

Denote the $n$ -th term in the sequence by $a_n$ . Now that $a_1=2$ , we have

$a_n=a_{n-1}+5=a_{n-2}+2\cdot5=\cdots=a_1+(n-1)\cdot5$

which means

$a_8=2+(8-1)\cdot5=37$

4 0

3 years ago