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3 years ago

Explain how you could use the construction tool or a compass and straightedge to create a line segment that is twice as long as

Mathematics

1 answer:

Angelina_Jolie [31]3 years ago

5 0

You can try to measure the line with a straightedge or ruler. Then draw the line.

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What is the value of s? 0.7(3s+4)−1.1s=7.9

Natali [406]

Before isolating s we need to simplify the equation using order of operations.
.7(3s+4)-1.1s = 7.9 -------> First distribute the .7
2.1s + 2.8 - 1.1s = 7.9 ------> Now combine like terms
s + 2.8 = 7.9 ------> Now to isolate s by subtracting 2.8 from both sides!

s = 7.9 - 2.8
s = 5.1

8 0

3 years ago

24 hours per day algebraic expression

ivolga24 [154]

Answer:

huh??

Step-by-step explanation:

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3 years ago

Please answer this correctly!

ryzh [129]

Answer:

1 1/4

Step-by-step explanation:

6 0

3 years ago

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Solve the equation using the quadratic formula. X^2-9x+3=0

Nesterboy [21]

Answer:

The answer is x= $\frac{9+\sqrt{69}}{2}$ , x= $\frac{9-\sqrt{69}}{2}$

Step-by-step explanation:

x^2=a

-9x=b

3=c

Plug into formula.

Equation: $\frac{9+-\sqrt{(-9)^2-4(1)(3)}}{2}$

Simplify the equation.

Equation: $\frac{9+-\sqrt{81-12}}{2}$

Subtract 81 and 12.

Equation: $\frac{9+-\sqrt{69}}{2}$

Spit into two equations

Equation 1: $\frac{9+\sqrt{69}}{2}$

Equation 2: $\frac{9-\sqrt{69}}{2}$

Hope this helps!

8 0

3 years ago

What is the total surface area of a right rectangular prism with a base of 2 cm by 3 cm and a height of 6 cm? A) 13 cm2. B) 72 c

Stolb23 [73]

(L · W · 2) + (perimeter of the base · height). For this prism, that's (2 cm · 3 cm · 2) + (2 cm + 2 cm + 3 cm + 3 cm) · 6 cm. This is (12 cm2) + (10 cm · 6 cm) = 72 cm2.

3 0

3 years ago

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