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Dafna11 [192]
3 years ago
9

What is 5x^2 + 8x -4​

Mathematics
2 answers:
Lelechka [254]3 years ago
7 0

Answer:

if your factoring the answer should be (5x-2) (x+2)

miss Akunina [59]3 years ago
4 0

Answer:

(5x−2)(x+2)

Step-by-step explanation:

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Link for paper and show work
ki77a [65]

Answer:

d.

Step-by-step explanation:

5 0
2 years ago
a boat is traveling at an average speed of 15 meters per second. how many kilometers per minute is the boat traveling?
lukranit [14]
We know that 1 meter is 0.001 km and that 1 minute is 60 seconds.
To transform 15m/s we into km/min we have to multiply 15 by 0.001 and multiply it by 60.
15*0.001*60=0.0015*60=0.09 km/min  - its the answer
4 0
3 years ago
Read 2 more answers
y varies inversely with x, and k (the constant of variation) = 23. What is the value of y when x = 7? Round to the nearest tenth
Natasha2012 [34]
Hello!

<span>The constant of variation is xy. XY=23. If X=7 then Y=23/7.
</span>
So as we can see, the stated inverse variation can be represented as the equation y = k/x. ===> k = 23 & x = 7 ⇒ y = 23/7. <====

I Hope my answer has come to your Help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead! :)

(Ps. Mark As Brainliest IF Helped!)
8 0
3 years ago
Find.the slope that passes they 3,5 &amp; 5,8
11Alexandr11 [23.1K]
Very hard question. .....
6 0
3 years ago
Read 2 more answers
-8(1 + 5b) – 2(86 – 1) = 50
kati45 [8]

Answer:

b = -57/10

Step-by-step explanation:

Let's first distribute everything out:

-8(1 + 5b) = -8 * 1 + (-8) * 5b = -8 - 40b

2(86 - 1) = 2 * 85 = 170

So, we have:

-8 - 40b - 170 = 50

-40b - 178 = 50

-40b = 50 + 178 = 228

b = -228/40 = -57/10

Thus, the answer is b = -57/10.

Hope this helps!

3 0
3 years ago
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