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3 years ago

Which statements are always true? Check all that apply.

Mathematics

2 answers:

Ann [662]3 years ago

8 0

Answer:

A rectangle has four right angles, A triangle has 3 sides, A square has 4 equal sides

Step-by-step explanation:

mamaluj [8]3 years ago

4 0

A rectangle has four right angles, A triangle has 3 sides, A square has 4 equal sides

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Find the HCF and LCM of 126 and 234?

Leni [432]

Answer:

Below in bold.

Step-by-step explanation:

Find the prime factors:-

126 = 2 * 3 * 3 * 7

234 = 2 * 3 * 3 * 13

So the GCF = 2 * 3 * 3 = 18.

The LCM = 2 * 3 * 3 * 7 * 13

= 1638.

8 0

3 years ago

Rewrite the product as a power: <img src="https://tex.z-dn.net/?f=%28-a%29%5E%7B3%7D%20b%5E%7B3%7D" id="TexFormula1" title="

anastassius [24]

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${ - a}^{3} . {b}^{3} = ( { - a \times b})^{3} = ( { - ab})^{3} \\$

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4 0

3 years ago

Sam is trying to determine which cell phone and service plan to buy for his mother. The first phone costs $100 and $55 per month

vodomira [7]

Answer:

13 months

Step-by-step explanation:

x is the number of months

first phone:

f(x) = 55x + 100

second phone:

g(x) = 51x + 150

now set up the inequality

g(x)<f(x)

51x + 150 < 55x + 100

Solve the inequality:

51x + 150 < 55x + 100

(get everything on the correct sides... combine the like terms)

51x - 55x < 100 - 150

-4x < -50

divide both sides by -4 (don't forget to flip the inequality sign when dividing by a negative number.)

x > 50/4

x > 12.5

round up to 13

4 0

3 years ago

Read 2 more answers

Liam needs to find the solution that satisfies both equations 1. Y=1/3x+7 2. Y=-2x

enot [183]

Answer:

(-3,6)

Step-by-step explanation

5 0

3 years ago

Solve for y. enter your answer in the box. y= __

mihalych1998 [28]

Answer:

y = 10 PLEASE GIVE BRAINLIEST

Step-by-step explanation:

The angles of this triangle should all add up to 180 degrees.

There are 3 angles so 180 ÷ 3 = 60. Each angle will = 60 degrees.

To find y:

5y + 10 = 60

5y = 60 - 10

5y = 50

y = 50 ÷ 5

y = 10

7 0

3 years ago