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Elanso [62]
3 years ago
14

What is 9(x + 8) + x(5+4)

Mathematics
2 answers:
lina2011 [118]3 years ago
7 0

Answer:

72+ 18x

Step-by-step explanation:

9x+72+5x+4x

72+ 18x

Softa [21]3 years ago
7 0
9(x + 8) + x(5 + 4)

9x + 72 + 5x + 4x

18x + 72

(If you have been asked to solve for x then also include the following, if not then only write what is above!)

18x + 72 = 0

18x = -72

x = -4
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The length of an object in feet is equal to three times its length in yards. The length of a waterslide is 48 feet. Write and pi
zubka84 [21]

Answer:

Equation is: L=3y

Length in yards is 16 yards.

Step-by-step explanation:

Let 'L' represent length in feet and 'y' in yards.

Given:

Length of the waterslide is, L=48\ ft

Length in feet is three time its length in yards. Therefore,

Length in feet = 3\times Length in yards.

∴ L=3y

Dividing both sides by 3, we get:

\frac{L}{3}=\frac{3y}{3}\\\\y=\frac{L}{3}

Now, plug in 48 for 'L' and solve for 'y'. This gives,

y=\frac{48}{3}\\\\y=16\ yards

Therefore, the length of the waterslide of length 48 feet in yards is 16 yards.

4 0
3 years ago
Order the numbers from least to greatest.
Marianna [84]

Answer:

Step-by-step explanation:

Unfortunately, your π2 is improperly formed.  I will assume that you actually meant π² ("pi squared").

Then the three numbers are 99, 9.87, 9.8.

Smallest:  9.8

Largest"  99 (did you mean 9.9?)

Under the assumptions I have made, the numbers, in increasing order, are 9.8, 9.87, 99

4 0
3 years ago
Read 2 more answers
The graph shows how much a plant grew after it was purchased. Which statement is not correct?
Luda [366]

Answer:

The plant grows 1 cm every day is the incorrect statement

Step-by-step explanation:

The graph shows that for every 10 days the plant grows 1 cm

10/2 = 5

so in 5 days the plant would grow half of what it does in 10 days so 1/2 or 0.5 cm

10/10 = 1

so in 1 day the plant would grow a tenth of what it does in 10 days so 1/10 or 0.1 cm

3 0
3 years ago
If the point (4, 4) is the center of a circle and the point (2, 3) lies on that circle, what is the circle's radius?
Lyrx [107]
You need to use the distance formula which is - <span>√(x1-x2)^2 + (y1-y2)^2
</span>fill it in with the given points - <span>√(4-2)^2 + (4-3)^2
simplify - </span><span>√2^2 + 1^2
               </span><span>√4 + 1
               </span><span>√5
so r = </span><span>√5
hope that helps :)

</span>
6 0
3 years ago
Intro to ratios <br> in simplified ratio of circles to squares
svlad2 [7]

Answer:

...

Step-by-step explanation:

2:4

simplified is

1:2

3 0
3 years ago
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