1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
fomenos
3 years ago
14

Solve for x. 4(5x - 20) = -20 Enter your answer in the box. PLEASE HELP!

Mathematics
2 answers:
belka [17]3 years ago
8 0
4(5x − 20)=−20

<span><span>4<span>(<span><span>5x </span>− 20</span>)</span></span>=<span>−20</span></span><span>Step 1: Simplify</span><span><span><span><span>(4)</span><span>(<span>5x</span>)</span></span>+<span><span>(4)</span><span>(<span>−20</span>)</span></span></span>=<span>−20</span></span><span><span><span><span>20x</span>+</span>−80</span>=<span>−20</span></span><span><span><span>20x</span>−80</span>=<span>−20</span></span>Step 2: Add 80 to both sides.<span><span><span><span>20x</span>−80</span>+80</span>=<span><span>−20</span>+80</span></span><span><span>20x</span>=60</span>Step 3: Divide both sides by 20.<span><span><span>20x/</span>20</span>=<span>60/20</span></span><span>x=3</span>Answer:<span>x=<span>3

Hope this helps:)</span></span>
Colt1911 [192]3 years ago
6 0
20x - 80 = -20
20x = 60
x = 3
You might be interested in
A recycling bin is in the shape of a right rectangular prism. The bin is 12 meters long, 512 meters wide, and 612 meters tall.
devlian [24]
To find the volume of the recycling bin, you will use the formula for finding volume of a rectangular prism.

V = lwh
V = 12 x 512 x 612
V = 3760128 cubic meters

The answer is not given, but based in these numbers this is correct.

If it is 12 m x 5 m x 6 than the answer is 360 cubic meters
6 0
3 years ago
Find the tangent line equation of the curve at the given point. Y=arcsin(7x) at the point where x=sqrt2/14
Mumz [18]

Answer:

Y-\frac{\pi}{2} =\frac{\pi}{2} (x+\sqrt{\frac{1}{7}})

Step-by-step explanation:

The equation of the curve is

Y = sin^{-1}(7x)

To find the equation of tangent we need to differentiate this equation w.r.t x

So, differentiating we get

Y'=\frac{7}{\sqrt{1-49x^2} }

This would give the slope of the tangent line at any given point of which x coordinate is known. In the present case it is  x = \sqrt{\frac{1}{7} }

Then slope would accordingly be

Y'=\frac{7}{\sqrt{1-49/49} }

= ∞

For, x = \sqrt{\frac{1}{7} }, Y = sin^{-1}(7/7)= \pi/2

Equation of tangent line, in the point slope form, would be Y-\frac{\pi}{2} =\frac{\pi}{2} (x+\sqrt{\frac{1}{7}})

4 0
3 years ago
If y=24 when x=21, find y when x is 18
ludmilkaskok [199]

Answer:20.571

Step-by-step explanation:

x:y = 21: 24=7:8

8x=7y

y=8x/7

When x=18

y=8*18/7

y=20.571

5 0
3 years ago
Type the missing number in this sequence: 1, 10, 100, 1,000, 10,000,​
lakkis [162]

Answer:

100,000

Step-by-step explanation:

I'm pretty sure. hope this helped <3 also I LOVE UR PFP ;)

5 0
3 years ago
Read 2 more answers
2/15 + 27/35 = what in reduced terms
solniwko [45]

2/15 + 27/35 = 14+81 /105 = 95/105 = 19/21

so, your answer is 19/21

8 0
3 years ago
Other questions:
  • (27x4 - 18x3 + 9x 2) = 3x<br> Answer ASAP
    13·1 answer
  • What is the value of q?
    12·2 answers
  • Solve the inequality-2(6+s)_&gt;-15-2s
    11·2 answers
  • Please help I am on a timer!!!!❤️❤️❤️❤️
    14·1 answer
  • Quadrilateral QRST, with vertices Q (1, 2), R (3, 4), S (5, 6), and T (2, 7), is dilated by a factor of 2 with the center of dil
    5·1 answer
  • 4. Sharlene walked 7 2/11
    9·1 answer
  • Why did Dante write the Inferno
    10·1 answer
  • Help please!please ASAP
    5·2 answers
  • A. 80<br> B. 50<br> C. 70<br> D. 60
    9·1 answer
  • A person invests 7000 dollars in a bank. The bank pays 5.5% interest compounded
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!