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Salsk061 [2.6K]
4 years ago
11

Solve the system y = -x + 7 and y = -0.5(x - 3)2 + 8

Mathematics
1 answer:
iragen [17]4 years ago
4 0
So for the first one you would replace Y with what it = which in this case is -x+7So it would look something like this
-x+7=-x+7
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Peggy rode her bike 25 miles in 2 hours. At this rate, how far will she ride in 3 hours?
Zanzabum
37.5 miles

divide 25 by 2, that gives you 12.5
multiply 12.5 by 3 to get 37.5
3 0
3 years ago
I need to know the answer to this
Brums [2.3K]

Answer: 276

Step-by-step explanation:

multiply 1/3 by 4/4 to make it similar to 5/12 that way you can add them. because the denominator is different from each other you can’t add them. once you do that you get 4/12, you then add 5/12 and that equals 9/12. in order to get to 12/12 you need 3/12 more. this 3/12 represents the 69 guest that chose vegetarian. the 5/12 represents the the guest who chose chicken and the 4/12 represents the ones who chose beef. now that you know 69 people is the same as 3/12 of all the guest. you then realize that 9 is divisible by 3. so you multiply 69 by 3 because 3 goes into 9 3 times. which gives you 207. 207 represents 9/12. and we already know 69 represents 3/12. so you add them together and get 276. sorry if that was confusing but that’s the best way i can explain it.

3 0
3 years ago
Please help me with this
timofeeve [1]
6 divided by 4(3/5)
After multiplying the fraction we get 23/5
Dividing a fraction will result to multiplying
6 * 23/5
138/5 is the answer.
8 0
3 years ago
Using all my points for this. Sorry for making somebody have to do this but I have to do some other homework on the side that I
givi [52]

Answer:

I am busy but all the questions from 1 to 6 just add the measure of 2 angles which are given and then subtract it from 180, you will get the measure of the remaining angle.

7.

8.: 180/3

9. x = 5

10. i dont know

i dont know = no time....

Step-by-step explanation:

8 0
3 years ago
Which expression is equivalent to ((2a^-3b^4)^2(2a^5b)^-2)^-1?
tresset_1 [31]

Using the rules of exponents

\left(a^{b}\right)^{c}=a^{(b\cdot c)}\\a^{b}\cdot a^{c}=a^{(b+c)}

you can simplify this to

\left(2^{(2-2)}a^{(-3\cdot 2+5\cdot (-2))}b^{(4\cdot 2+1\cdot (-2))}\right)^-1\\\\=\left(2^{0}a^{-16}b^{6}\right)^{-1}\\\\=\dfrac{a^{16}}{b^{6}}

None of these answer choices matches the given expression.

8 0
3 years ago
Read 2 more answers
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