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zhuklara [117]
2 years ago
13

When Emily arrived home from school, she spent 8 minutes eating a snack. Then, she spent 15 minutes playing with her dog and 32

minutes doing her chores. Finally, Emily spent 45 minutes finishing her homework. How long had Emily been home when she finished her homework?

Mathematics
2 answers:
ziro4ka [17]2 years ago
7 0
Answer: 1 hour and 40 minutes

Explanation: Add all the time together and you get 100 minutes.

100 - 60 = 40

(I’m not very good at explaining it)
rusak2 [61]2 years ago
5 0

Answer:1 hour and 40 mins

Step-by-step explanation:꧁I had that question꧂

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In which equation does x = 15?
S_A_V [24]
To help you with it, plug-in 15 in each equation and see what you get!
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Solve for the variable p Write the equation 4l +26p= 210. Write the equation in the form p = an expression.
Fittoniya [83]

Answer:

p = (105-2l)/13

Step-by-step explanation:

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Isolate 26p by subtracting 4l from both sides

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8 0
2 years ago
G(x)=-x^2-1-2x<br> f(x)=x+5<br> Find (g-f)(x)
nikitadnepr [17]

(g-f)(x) is x² - 3x - 6

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

Step 1:

Given g(x) = x² - 1 - 2x, f(x) = x + 5. Find (g-f)(x)

(g-f)(x) = x² - 2x - 1 - (x + 5) = x² - 2x - 1 - x - 5 = x² - 3x - 6

3 0
3 years ago
If (x − 2)^2=49, then x could be ?
Ket [755]
(x - 2)^2=49\\ \\ x^2-4x +4 -49=0\\ \\x^2-4x -45 = 0\\ \\\Delta = b^{2}-4ac =  (-4)^{2}-4*1* (-45)= 16+180=196  \\ \\x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{4-\sqrt{196}}{2}=\frac{4-14}{2}=\frac{-10}{2}=-5 \\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{4+\sqrt{196}}{2}=\frac{4+14}{2}=\frac{18}{2}=9 \\ \\Answer : \ x=-5 \ or \ x= 9
8 0
3 years ago
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