2 years ago

Factor (7x^2 + 30x - 25)

Mathematics

1 answer:

gayaneshka [121]2 years ago

3 0

Factored form: (x-5)(7x+5) ☺

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What is forty five percent of one-hundred forty five

BlackZzzverrR [31]

Answer:

65.25

Step-by-step explanation:

45% of 145 = 65.25

7 0

3 years ago

Samantha measured 40 1/2 inches. Over the next 5 1/2 years, she grew to a height of 57 inches. During the 5 1/2 years, what was

Alexxandr [17]

Answer:3 in. per yr

Step-by-step explanation:

Present height of Samantha is $40\frac{1}{2}=\frac{81}{2}$

After next $5\frac{1}{2} years i.e. \frac{11}{2} years$

she grew to $57\ inches$

Increase in her height $=57-\frac{81}{2}=16.5\ inches$

Increase in height per year is $=\frac{16.5}{5.5}=3\ in.\ per\ year$

3 0

3 years ago

A chain weighs 10 pounds per foot. How many ounces will 3 inches weigh?

KengaRu [80]

Answer:

40 ounces

Step-by-step explanation:

One foot = 12 inches

3 inches is 1/4 of a foot

Divide 10 pounds by 4 to get 2.5 pounds

Convert to ounces

3 0

3 years ago

Does anyone know how to do these? I'm having a hard time and you guys are very helpful.

n200080 [17]

Ok so keep in mind, we are solving for x or z. We want to get it by itself.

So, with 6x= 5x+22, we need to subtract 5x from both sides of the = sign

So 6x - 5x = 1x.

Our new equation looks like 1x= 22

We still don't have x alone so we need to divide one on both sides of the =

Our new and final answer is x=22

4 0

3 years ago

Read 2 more answers

Can someone answer this for me like rn...i got not patience ._. and im like such an i d i o t for math

barxatty [35]

Answer:

Step-by-step explanation:

if u have no paytience then just take a guess for future reference

7 0

3 years ago