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NeX [460]
4 years ago
10

A=7x 2 −3x+10 B=−4x 2 +6x−4 ​

Mathematics
2 answers:
topjm [15]4 years ago
6 0
A= 11x + 10
B= -2x - 4
bixtya [17]4 years ago
4 0
What are you supposed to do?
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Kurt drives a total of 32 miles to and from work every day. He works 5 days a week. How many miles does Kurt drive in a week for
Naily [24]
Does Kurt drive 32 miles to work and 32 back home or does Kurt drive a combined total of 32 miles to and from work.

If he drive 32 miles to work and 32 home- Kurt would have driven a total of 64 miles each day. So if he works 5 days a week you would just use this simple equation: {64 x 5} which would get you 320 miles each week.

If he drives a combined total of 32 miles each day then you use this following equation: {32 x 5} which would get you 160 miles each week
5 0
3 years ago
I need the answers ?
Veseljchak [2.6K]

Answer:

HI=1/2*EF

17-3x=1/2*-9x+37

2(17-3x)=-9x+37

34-6x=-9x+37

-6x+9x=37-34

3x=3

x=3/3

x=1

now substitute the value of HI

17-3x

=17-3*1

=17-3

=14

Step-by-step explanation:

Note :HI=1/2*EF because the straight line joining the mid points of two sides of a triangle is parallel to the third side and equal to half of it.

4 0
3 years ago
Mr.Ward runs a lot. He ran 45 minutes each day, 5 days each week , for 16 weeks . In that time, he ran 450 miles. What was his a
Savatey [412]

Answer:

7.5 miles per hour.

Step-by-step explanation:

We have been given that Mr. Ward runs a lot. He ran 45 minutes each day, 5 days each week, for 16 weeks.

First of all, we will find time for that Mr. Ward ran in 16 weeks.

We will multiply 5 by 16 to find number of days for that Mr. Ward ran and then we will multiply the result by 45 minutes to find the time.

\text{Time for that Mr. Ward ran in 16 weeks}=16\times 5\times 45\text{ minutes}

\text{Time for that Mr. Ward ran in 16 weeks}=3600\text{ minutes}

Now, we will divide 3600 minutes by 60 minutes to convert time into hours as:

\text{Hours}=\frac{3600}{60}=60

Now, we will divide 450 miles by 60 hours to find Mr. Ward's average speed as:

\text{Mr. Ward's average speed}=\frac{450\text{ miles}}{\text{60 hours}}

\text{Mr. Ward's average speed}=\frac{7.5\text{ miles}}{\text{ Hour}}

Therefore, Mr. Ward's average speed in 7.5 miles per hour.

7 0
3 years ago
Compare 4:10 and 12:20 using fractions. Which ratio is smaller? How do you know?
Harman [31]
4:10 is smaller because:
times the whole ratio by two to get: 8:20 now we can compare it to 12:20 and so 8 < 12 so the first one is smaller
5 0
2 years ago
Read 2 more answers
Which expression is equivalent to (9x + 5y)²?
Shkiper50 [21]
D is the correct answer.

If you don’t understand how then plz don’t hesitate to ask me in the comments.
3 0
3 years ago
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