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xz_007 [3.2K]
3 years ago
11

What is -3x - 9 + 15x

Mathematics
1 answer:
likoan [24]3 years ago
7 0

Add −3x and 15x.

12x−9

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Whats 1,112,433 rounded to the nearest ten thousand
mamaluj [8]
1,112,433 rounded to the nearest 10,000 is 1,110,000.
4 0
4 years ago
Mona is skating at a speed of 300 feet per minute. Lina is 1000 feet behind her. What should be her speed if she wants to catch
Allisa [31]
If we translate the facts into location equations, xM=Mona's location, xL=Lina's location, then we get:

xM(t) = 300t
xL(t) = v*t - 1000
xM(10)=xL(10)

Where v is Lina's speed we have to find.

Plugging them all together gives:

300*10 = 10v - 1000 

Which can be solved:

3000 + 1000 = 10v
4000 = 10v
v=400

Lina should skate at 400 feet per minute!
4 0
3 years ago
In a high school, 2/5 of the girls make up 150 students.
poizon [28]

Answer:

375 girls

Step-by-step explanation:

Let the number of girls in the school be y.

Then, we can write the equation:

\frac{2}{5} y = 150

We can now solve for y by multiplying both sides by

\frac{5}{2}

\frac{5}{2}  \times  \frac{2}{5} y = 150 \times  \frac{5}{2}

\implies \: y = 75 \times 5

y = 375

Therefore there are 375 girls in the school.

5 0
4 years ago
1. Point P is between points F and G. The distance between points F and P
Ivenika [448]

Answer:

Point P is in between points F and G.

Now, here we do not have the actual locations of F and G, so i will answer this in a general way.

Suppose that F is located at 0 and G is located at some value A.

Then the distance FG = A - 0 = A.

Now, the distance between F and P is:

Distance  = (1/4)*FG = A/4

Then the location of P is equal to the location of F plus A/4

P = 0 + A/4

Now, writing this in a more general way:

P = F + FG/4

8 0
3 years ago
Alex repairs clocks at a shop.· He earns $96 per day plus $16 per hour for every hour of overtime he works.· Each day, he wants
shutvik [7]
T=16x+96 so if he wants to receive 130$ a day he must work at least 3 hours of over time.
7 0
3 years ago
Read 2 more answers
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