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vladimir1956 [14]
4 years ago
9

4b−3.2=3(2b−4) can you plz solve

Mathematics
1 answer:
evablogger [386]4 years ago
3 0

Answer:

4b-3.2=6b-12

12-3.2=6b -4b

8.8=2b

b=8.÷2

b=4.4

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How do you write 6.6 x 10-5 in standard form?
docker41 [41]

Answer:

.000066

Step-by-step explanation:

move decimal places five places to the left

8 0
3 years ago
I really need help, will give brainliest for the best answer
ruslelena [56]

Answer:

220.5

Step-by-step explanation:

First, we can figure out the half circle. The area for that is pi times r squared divided by 2. So the area is 8 squared times pi divided by 2. So 64 divided by 2 is 32. 32 times pi is 100.530964915. We can round that to 100.5 and now the rectangle is 8 times 15. Which is 120. So 120 plus 100.5 is 220.5! I hope this helps! Please mark me Brainliest!!!

5 0
3 years ago
A parking space shaped like a parallelogram has a base of 17 feet and a height of 9 feet if a mini car 6 feet long and five feet
lesantik [10]

Answer:

123 cm²

Step-by-step explanation:

First of all, we need to know how exactly to find the area of a parallelogram.

<u>Area</u><u> </u><u>of</u><u> </u><u>parallelogram</u><u>=</u><u> </u><u>Base</u><u>*</u><u>Height</u>

PARALLELOGRAM-

BASE= 17 ft

HEIGHT= 9ft

AREA= 17*9= 153 cm²

The area of parallelogram, will be considered as WHOLE AREA.

Now,

AREA OF MINI CAR-

length= 6 ft

Width= 5 ft

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HOPE IT HELPS!

8 0
3 years ago
PLEASE Help!! What is the solution of the equation? Eliminate any extraneous solutions.
BabaBlast [244]
D. -4

sq rt of 3x+28-8=x
add 8 to both sides

sq rt of 3x+28 = x+8
square both sides of the equation

3x + 28 = x^2 + 16x + 64

subtract x^2+16x+64 from both sides
group common terms
-13x-36-x^2=0

rearrange and put in quadratic form

x= -13 +/- sq rt of 13^2-4(1)(36) over 2(1)

subtract 169 by 144

x= -12 +/- sq rt of 25 over 2

solve for both sides

x = -13+5 over 2
=-4

x= -13-5 over 2
= -9

now plug in x

sq rt of 3(-4)+28   -8=-4
sq rt of 3(-9)+28    -8= -9

-4 = -4
but
-7 does not = -9

so -4 is the solution
3 0
4 years ago
Please help asasp!! If you can please put the steps
Naddik [55]

Answer: 5/6, 0.83333333

Step-by-step explanation:

5 0
3 years ago
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