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asambeis [7]
2 years ago
7

Pls help im being timed

Mathematics
1 answer:
dimaraw [331]2 years ago
3 0

Answer:

He needs 8 health packs

Step-by-step explanation:

3x + 5 \geq 29

3x \geq 24

x \geq 8

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If the side of a square is doubled in length, what is the percentage increase in area
ycow [4]
Doubling the side length multiplies the area by 4
8 0
4 years ago
Find a number such that 10 less than two thirds the number is one fourth the number
Ivan

Answer:

the number is 24

Step-by-step explanation:

10 less than two thirds the number is one fourth the number

Let the unknown number be x

two third of the number is \frac{2}{3} x

10 less than two third the number becomes

\frac{2}{3}x-10

one fourth the number becomes \frac{1}{4}x

10 less than two thirds the number is one fourth the number

\frac{2}{3}x-10=\frac{1}{4}x

We need to solve for x

LCD is 3*4 = 12

Multiply the whole equation by 12

\frac{2*12}{3}x-10*12=\frac{1*12}{4}x

8x - 120 = 3x

add 120 on both sides

8x = 3x + 120

Subtract 3x on both sides

5x = 120

divide by 5 on both sides

x= 24




3 0
3 years ago
Which is greater 3 miles or 5,000 yards? How much greater?
Brilliant_brown [7]
5,000 yards is greater
3 0
3 years ago
Read 2 more answers
Amir lent Rs. 600 to Hameed for 2 yrs and Rs.150 to Aman for 4 yrs and recievd altogether from both rs.90 as simple intrest.The
Alja [10]
600 *2*x + 150*4*x = 90

1200x + 600x = 90

1800x = 90

x = 90/1800 = 0.05

x = 5%

Answer: rate of interest = 5%

 
5 0
4 years ago
WILL GIVE BRAINLIEST<br><br><br>Write 2/7x(1.4x^2-3.5y) as a polynomial
3241004551 [841]

Answer:

0.4x^3 - xy.

Step-by-step explanation:

2/7x(1.4x^2-3.5y)       Distributing the2/7x over the parentheses:

= 2/7 * 1.4 x^3 - 2/7 *3.5xy

= 0.4x^3 - xy

4 0
3 years ago
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