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Luden [163]
4 years ago
13

Which steps could be part of the process in algebraically solving the system of equations, y + 5x = x2 + 10 and y = 4x –

Mathematics
1 answer:
mafiozo [28]4 years ago
3 0

Answer:

0 = x2 - 9x + 20

Step-by-step explanation:

y + 5x = x² + 10     Simplify this equation

  - 5x   - 5x

y = x² - 5x + 10

Set both equations equal to each other since they both equal y

x² - 5x + 10 = 4x - 10

    -4x           - 4x

x² - 9x + 10 = -10

         + 10   + 10

x² - 9x + 20 = 0

If this answer is correct, please make me Brainliest!

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What is the distance between Harry’s home and his office?
Svetach [21]

Answer:

The distance between Harry’s home and his office? is 15 miles.

Step-by-step explanation:

The speed, distance time formula is:

Speed(s)=\frac{Distance(d)}{Time(t)}

Given:

Speed (<em>s</em>) = 30 miles/hour

Then the relation between distance and time is:

s=\frac{d}{t} \\30=\frac{d}{t}\\d=30t...(i)

If Speed was 60 miles/hour the time taken is (t-\frac{1}{4}) hours.

Then the relation between distance and time is:

s=\frac{d}{t} \\60=\frac{d}{(t-\frac{1}{4}) }\\d=60t-15...(ii)

Use the value of <em>d</em> = 30t in (ii)

<em />d=60t-15\\30t=60t-15\\30t=15\\t=\frac{1}{2} hour<em />

Determine the distance as follows:

d=30t\\=30\times\frac{1}{2} \\=15\ miles

Thus, the distance between Harry’s home and his office? is 15 miles.

5 0
4 years ago
Five less than 4 times a number equals 2 more than 3 times the number.
laila [671]
A. 
4n-5 = 3n+2

b and c.
add 5 to both sides:
4n = 3n+7
subtract 3n from both sides:
n = 7
5 0
3 years ago
Read 2 more answers
Can someone tell me the answer so i can check my work
GarryVolchara [31]

Answer:

C. (1,-6)

Step-by-step explanation:

I used Desmos graphing calculator

6 0
3 years ago
The mean weight of female aerobics instructors in a certain city is less than 136 lbs. Express the null and alternative hypothes
Burka [1]

Answer:

Step-by-step explanation:

We are given the claim.

Claim: The mean weight of male aerobics instructors in a certain city is more than 182 lbs.

Population mean = 182 lbs

The null hypothesis will state that the sample mean is less than or equal to the population mean 182 lbs.

The alternate hypothesis will state that  mean weight of male aerobics instructors in a certain city is more than 182 lbs.

answer I        credits: ChiKesselman solved it

           V

3 0
3 years ago
Read 2 more answers
Help plz:))) I’ll mark you BRAINLIEST
Gnesinka [82]

Answer:

Given - A triangle UTS

angle U = 43°

angle T = 103°

As we know that the side opposite to the largest angle is longest. angle T is longer so side opposite to it Us is longer

US , UT , TS

3 0
3 years ago
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