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Natali [406]
2 years ago
12

Please please please help! Fast

Mathematics
1 answer:
Zanzabum2 years ago
7 0
2nd and 3rd ones! :)
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(10) Both red line and blue line trains left the station at 5:00 pm. If both
scoundrel [369]

Answer:

5:40

Step-by-step explanation:

This is a problem involving the least common difference.

If you know that the red and blue trains left at the same time at 5, you know that another red train will leave at 5:08. Another blue train at 5:10.

The way to solve this will be to write out the factors of 8 and 10 and find the smallest number that they overlap.

Red:

8, 16, 24, 32, 40, 48, 56, 64, 72, 80

Blue:

10, 20, 30, 40

You see that after 40 mnutes, they are both leaving the station again. After 40 minutes, at 5:40, they are both leaving.

6 0
2 years ago
Can someone help me ASAP, please and ty! What is “ 3x^2 added to 6x^2” simplifed to?
mr_godi [17]

Answer 9x^2

Step-by-step explanation:

3x^2+6x^2=9x^2

8 0
2 years ago
Read 2 more answers
Pls help asap! Due in 5 minutes!!! Pls
skelet666 [1.2K]

Answer: The value of X is 26.

Explanation: The explanation is in the image.

5 0
2 years ago
F(x) = 17 - 2x<br> Find f(a + 7)
Fudgin [204]

Answer:

-2a + 3

Step-by-step explanation:

We can substitute a + 7 for x:

f(a + 7) = 17 - 2(a+7) = 17 - 2a - 14 = -2a + 3

4 0
3 years ago
A number line is drawn left to right with integers spaced 1 centimeter apart. An ant crawls onto the number line at +3. It then
Anna11 [10]

Answer:

-1.2 cm

Step-by-step explanation:

Let's figure out where the ant is after each step.

Step 1

Start at      +3.0

Move left  <u> - 1.5 </u>

Now at       +1.5

Step  2

Start at           +1.5

Move right  <u> + 4.9 </u>

Now at         +6.4

Step 3

Start at      +6.4

Move left <u> - 7.6 </u>

Now at      -1.2

The ant is now at -1.2 cm.

6 0
3 years ago
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