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3 years ago

What is the length of AC?

Mathematics

1 answer:

BartSMP [9]3 years ago

5 0

Your answer would be 18. AC must be longer than 9

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HELP!

Vesna [10]

A(n)=a+(n-1)d
A(40)= -1+(40-1)-4
A(40)= -1+39(-4)
A(40)= -1+(-156)
A(40)= -157

4 0

2 years ago

Consider the function attached below

Masja [62]

Answer:

Step-by-step explanation:

Hello,

$x=(fof^{-1})(x)=f(f^{-1}(x))=\sqrt{2f^{-1}(x)}+5\\\sqrt{2f^{-1}(x)} =x-5\\2f^{-1}(x)=(x-5)^2\\f^{-1}(x)=\dfrac{(x-5)^2}{2}$

now let's replace x by 7 it comes

$f^{-1}(7)=\dfrac{(7-5)^2}{2}=\dfrac{2^2}{2}=2$

hope this helps

4 0

2 years ago

The students in the Go Green dub started a whool recling program. In

OlgaM077 [116]

Answer:

Students collected

$85+255=340$ pounds of paper;
$18+90=108$ pounds of cans;
$340+108=448$ pounds of paper and cans combined in September and October.

Step-by-step explanation:

In September, the students collected 85 pounds of paper and 18 pounds of cans to recycle.

In October, their goal is to collect three times the amount of paper and five times the amount of cans they collected in September.

Hence, in October they collected

$85\times 3=255$ pounds of paper;
$18\times 5=90$ pounds of cans.

In total, they collected

$85+255=340$ pounds of paper;
$18+90=108$ pounds of cans;
$340+108=448$ pounds of paper and cans combined in September and October.

3 0

2 years ago

Please answer correctly !!!!!!!! Will mark brainliest !!!!!!!!!

Evgesh-ka [11]

Answer:

C. Add the equations

Step-by-step explanation:

Adding both the equations will help eliminating 5y.

6 0

2 years ago

Yall arent correct...

koban [17]

Answer:

Of course they were incorrect

Step-by-step explanation:

Anything to the power of 0 will always be 1, no matter what the number is.

5 0

2 years ago