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mars1129 [50]
3 years ago
5

The battery in camilles old phone can’t last for 4.2 hours .she bought a new phone that’s gas battery that can last 60% longer .

How long can the battery on camilles new phone last?
Mathematics
1 answer:
tresset_1 [31]3 years ago
7 0

Answer:

6.72 Hours

Step-by-step explanation:

Since the new phone can last 60% Longer than 4.2 hours, we multiply 4.2 by .6 and then add it back to 4.2

4.2 X 60% = 2.52

2.52+4.2=6.72

Therefore, the new phone can last 6.72 hours

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5x + 4y +3z = 14 x = 3z -22 z = 6 What is the y-value of the solution?
Lemur [1.5K]
X = 3z - 22
z = 6
5x + 4y + 3z = 14
5 (3z - 22) + 4y + 3 (6) = 14
15z - 110 + 4y + 18 = 14
15 . 6 - 110 + 4y + 18 = 14
90 - 110 + 4y + 18 = 14
90 - 110 + 18 - 14 + 4y = 0
-16 + 4y = 0
4y = 16
y = 4
3 0
3 years ago
consider the polynomial equation x(x-3)(x+6)(x-7)=0. which of the following are zeros of the equation? select all that apply.
o-na [289]
The zeros are 0, 3, -6 and 7.
7 0
3 years ago
Solve the inequality if possible 4(3-2x)>2(6-4x)
GenaCL600 [577]

Final Answer: No Solution

Steps/Reasons/Explanation:

Question: 4(3-  2x) > 2(6-  4x)

<u>Step 1</u>: Divide both sides by 2.

2(3 - 2x) > 6 - 4x

<u>Step 2</u>: Expand.

6 - 4x > 6 - 4x

<u>Step 3</u>: Since 6 - 4x > 6 - 4x is false, we have no solution.

No Solution

~I hope I helped you :)~

6 0
2 years ago
Read 2 more answers
A soup kitchen makes 15 gallons of soup each day a quarter of the soup is served and the rest is saved for the next day , what i
Sophie [7]

Number of ounces left is 1120

Step-by-step explanation:

  • Step 1: Find number of ounces left after each day.

Given total soup prepared each day = 15 gallons

Amount served each day = 1/4 of 15 = 15/4 gallons

Amount left after each day = 15 - 15/4 = 60 - 15/4 = 35/4 gallons

  • Step 2: Convert gallons into ounces. 1 gallon = 128 ounces

35/4 gallons = 35/4 × 128 = 1120 ounces

5 0
3 years ago
3(-0.4n-0.7)=-3.2n-2.58
svlad2 [7]

Answer:

n=-0.24

Step-by-step explanation:

3\left(-0.4n-0.7\right)=-3.2n-2.58

Use distributive property.

-1.2n-2.1=-3.2n-2.58

-1.2n-2.1+2.1=-3.2n-2.58+2.1

-1.2n=-3.2n-0.48

-1.2n+3.2n=-3.2n-0.48+3.2n

2n=-0.48

\frac{2n}{2}=\frac{-0.48}{2}

n=-0.24

3 0
3 years ago
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