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julsineya [31]
4 years ago
9

Sophie and Simon are peeling a pile of potatoes for lunch in the cafeteria. Sophie can peel all the potatoes by herself in 45 mi

nutes, while it would take Simon 30 minutes to do the job working alone. If Sophie and Simon work together to peel the potatoes, how long will it take them?
15 minutes
18 minutes
38 minutes
75 minutes
Mathematics
2 answers:
katrin [286]4 years ago
7 0
Idk help me pls right now
balandron [24]4 years ago
6 0

Answer:

The answer is 18 min so B

Step-by-step explanation:

Just took the test

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Can someone help me find the domain and range of this graph?​
arlik [135]

Answer:

Domain: (-5, 6]

Range: [-3, 6]

Step-by-step explanation:

Domain is all x-values that can be inputted into function f(x).

Range is all the y-values outputted by function f(x) when we plug in <em>x</em>.

We see that our x-values span from -5 to 6. Since -5 is a open dot, we cannot input -5. Therefore, we have:

Domain: (-5, 6]

Parenthesis on -5 shows that it is not included and bracket on 6 shows it is included.

We see that our y-values span from -3 to 6. Since both points are closed dots, we can include both. Therefore, we have:

Range: [-3, 6]

Brackets on both numbers signify that both values are included in the graph.

5 0
3 years ago
Your friend finds the perimeter of the figure. Is your friend correct?
zzz [600]

No shes not.

You need to add all the sides if finding perimeter

8 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!<br><br> Factor x^2 + 25 in the complex numbers.
oksian1 [2.3K]

Answer:  C) (x + 5i)(x - 5i)

<u>Step-by-step explanation:</u>

x² + 25 can be rewritten as x² - (-25)

Now use the difference of squares to factor: a² - b² = (a + b)(a - b)

√x² = x      √-25 = 5i

--> x² + 25 = (x + 5i)(x - 5i)

7 0
3 years ago
Molly wants to constrct a circle inscribed in a triangle, while amelia wants to construct a circle circumscribed about a triangl
atroni [7]
Similarities found

each triangle must be a right triangle
the diameter of each circle must be the hypotenus of each triangle
there is a right angle (90°) for each triangle
3 0
4 years ago
The label on a can of lemonade gives the volume as 12 fl oz or 355ml . Verify that these two measurements are nearly equivalent
liraira [26]

We have been given that the label on a can of lemonade gives the volume as 12 fl oz or 355 ml and we are asked to verify that these two measurements are nearly equivalent.

Since we know that 1 fluid ounce equals 29.5735 ml. Let us find volume of lemonade can in ml by multiplying 12 by 29.5735.

\text{Volume of can}=12\cdot29.5735

\text{Volume of can}=354.882

\text{Volume of can}=354.882\approx355

We can see that 354.882 is nearly equivalent to 355. Therefore, we can say that these two measurements are nearly equivalent.


6 0
4 years ago
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