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Kitty [74]
3 years ago
13

Can someone please help me with math.

Mathematics
1 answer:
dexar [7]3 years ago
4 0
<h3>Answer:</h3>

<u>Given equations</u>: y = 2x + 1..(1) ; -4x + 2y = 2..(2)

Now, simplify the eq(2)

  • -4x + 2y = 2
  • 2(-2x + y) = 2
  • -2x + y = 1
  • y = 2x + 1

<u>As both the equations are equal, This means that the lines over lap, and that there are infinite places where they "intercept"</u>.

So, <u>correct choice</u> - [D] Infinitely many.

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10. Make q the subject of the formula 5(q + p) = 4 + 8p
vichka [17]

The formula subject to q is \frac{4+3p}{5}

Explanation:

The given formula is 5(q+p)=4+8 p

We need to determine the formula subject to q.

<u>The formula subject to q:</u>

The formula subject to q can be determined by solving the formula for q.

Let us solve the formula.

Thus, we have;

5q+5p=4+8p

Subtracting both sides by 5p, we have;

5q=4+3p

Dividing both sides by 5, we get;

q=\frac{4+3p}{5}

Thus, the formula subject to q is \frac{4+3p}{5}

5 0
3 years ago
The average speed to go by car from home to college is 30 miles per hour. The average speed to go back home from college is 20 m
Levart [38]

Answer:

24 mph for both 60 miles and 40 miles.

Step-by-step explanation:

We need to find how long it takes to get to college and from it.

Speed x time (x) = Distance (60)

30x = 60

x=2

It takes two hours to get to college

20x = 60

x = 3

It takes 3 hours to get back. It's a total of 5 hours, 2 hours at 30mph and 3 at 20. Now we need to find the average

30+30+20+20+20=120

120/5= 24

The average speed for the round trip is 24.

To do the second part, we follow the same process, but replace 60 with 40 for distance.

30x=40

x= 1.33

20x=40

x=2

We can add the total distance and divide by total time to find the average.

The total distance is 80. Time is 3.33

80/3.33=24

The average speed is still 24.

3 0
3 years ago
your school is setting up a row of 5 tables for a craft fair. each table is 72 inches long. the space between each pair of neigh
juin [17]

The total space needed is 600 feet. Because 5 tables times 72 feet is 360 and 5 tables times 48 feet a part is 249. You add them and it comes out to be 600. It should be worked out like this 5(72+48)

6 0
4 years ago
Read 2 more answers
A store sells 8 small, 18 medium, and 20 large sweatshirts. Each sweatshirt costs $16. How much money, m, is the store paid for
Novosadov [1.4K]

Answer:

8+18+20x16 ,

Step-by-step explanation: yeah .

4 0
3 years ago
What is 32/48 in SIMPLEST form? PLEASE EXPLAIN THOROUGLY!
kari74 [83]
Hi There!

<span>What is 32/48 in SIMPLEST form?

</span>32÷16=2
48÷16=3

<span>So the answer is </span><span>2/3</span>
7 0
3 years ago
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