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Anni [7]
3 years ago
5

I'm desperate for help. Please help

Mathematics
2 answers:
Rus_ich [418]3 years ago
7 0
Remember that in PEMDAS, you do the parentheses first.

1. For each answer choice, do whatever is in the parentheses first.

2. Multiply that number to the one outside the parentheses

Hint: For this problem, If all the signs in the answer choice are multiplication, they will equal the same number.
alukav5142 [94]3 years ago
5 0
It would be a!



step by step : in PEMDAS you would completer the parentheses first. 10*7 =70 * 4 =280. 10*4=40 *7 also = 280 hope that helps!!
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Tina pet sits to earn extra money. She charges a flat service fee of $20, plus $20 per day. If one of her customers spent less t
lana [24]
The first one is correct as the service fee plus the daily cost must be added to find the total cost which is less then $160.
6 0
3 years ago
In Lesson 1.4, you learned about a water footprint. Part of a person's water footprint is the water used for cleaning. In this q
otez555 [7]

Answer: a) $26.55/year

b) $64.13/year

Step-by-step explanation:

a) <u>$7.64</u>   .   <u>1 ft³</u>     .     <u>50 gal</u> .   <u>1 load </u>   .  <u>52 week</u>   = $<u>26.55</u>

    100 ft³   7.48 gal      1 load      1 week       1 year           year

The total cost per year is $26.55

b)<u>$7.64</u>   .   <u>1 ft³</u>     .     <u>17.2 gal</u>      .   <u>1 shower </u>   .  <u>365 days</u>   = <u>$64.13</u>

    100 ft³   7.48 gal      1 shower         1 day            1 year            year

The total cost per year is $64.13

7 0
3 years ago
(9u+w)^2<br> (use foil).................
Yanka [14]

Answer:

Step-by-step explanation:

(9u + w)(9u + w)

f: 9u * 9u = 81 u^2

o: 9u * w

i: 9u* w

l: w * w = w^2

Result

81u^2 + 9uw + 9uw + w^2

81u^2 + 18uw + w^2

8 0
3 years ago
Can someone tell me what the answer for this problem is? (and how you are able to get that answer)
exis [7]
\bf y=\cfrac{1}{2}(x-7)(x-7)

now, if you set y  to 0, so you can solve for "x", you'll notice, you'll get 7 twice, you can see it from (x-7) twice there, it has that root twice.

so, when x = 7, y = 0, that's the x-intercept, or so-called a solution or zeros.

now, it happens twice though, so, that simply means, the root of 7 has a multiplicity of 2  and is an even multiplicity, and even number, and when that happens, the graph doesn't really cross the x-axis, it simply bounces off of it.

so the graph goes down down, gets to 7, bounces back up, well, it made a U-turn, that's the vertex, at 7,0 as well.

to find the y-intercept, simply set x = 0, let's do so

\bf y=\cfrac{1}{2}(x-7)(x-7)\implies y=\cfrac{1}{2}(0-7)(0-7)\implies y=\cfrac{1}{2}(-7)(-7)&#10;\\\\\\&#10;y=\cfrac{49}{2}\implies y=24.5

so is at 0, 24.5

the stretch will be the coefficient in front of the function, in this case is 1/2, is stretches in relation to the y-axis by twice as much.
7 0
3 years ago
How many gallons of water did niles pour into the tank each minute? Please help me asap​
iren [92.7K]

Step-by-step explanation:

3

fdjdjdjdnfjfjfjfjjfkfjf

3 0
3 years ago
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