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2 years ago

Which expressions are equivalent to 7(-3/4 x - 3)? Select 2 options.

Mathematics

2 answers:

OverLord2011 [107]2 years ago

5 0

Answer:

B and E

Step-by-step explanation:

elena55 [62]2 years ago

3 0

$\huge\textsf{Hey there!}$

$\large\boxed{\mathsf{7(-\dfrac{3}{4}x - 3)}}\\\\\large\boxed{\mathsf{\rightarrow 7(-\dfrac{3}{4}x) + 7(-3)}}\\\\\large\boxed{\mathsf{\rightarrow -\dfrac{21}{4}x - 21}}\\\\\large\boxed{\rightarrow \mathsf{\bf -5\dfrac{1}{4}x - 21}}\\\\\\\\\huge\text{Therefore, your answer is: \boxed{\mathsf{\ \bold{A.} -5\dfrac{1}{4}x - 21}}}\huge\checkmark$

$\huge\text{Good luck on your assignment \& enjoy your}\\\huge\text{day!}$

~ $\frak{Amphitrite1040:)}$

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What is the x-intercept of a parabola also called

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Answer:

maximum point

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3 years ago

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4 years ago

The teacher asked 4 students to measure 4 different objects. The table shown represents their measurements. Which student had th

Maru [420]

Student 4 has the largest percent error.

Step-by-step explanation:

The percent error of a measurement is given by

$p=\frac{|x-x_{true}|}{x_{true}}\cdot 100$

where

x is the value of the measurement

$x_{true}$ is the actual value

For student 1:

$x=49\\x_{true}=50$

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$p=\frac{|49-50|}{50}\cdot 100=0.02\cdot 100=2\%$

For student 2:

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Percent error:

$p=\frac{|25.5-25|}{25.5}\cdot 100=0.0196\cdot 100 = 1.96\%$

For student 3:

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Percent error:

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For student 4:

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Learn more about errors:

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4 years ago

What is the measure of angle z in this figure?

astraxan [27]

Hello!

I've attached a photo for reference.

Lines A and B form straight angles, which measure 180 degrees. That means that -

m∠x + m∠y = 180°
m∠y + m∠z = 180°
m∠z + 43° = 180°
43° + m∠x = 180°

Since you're trying to find z, use the solvable equation with z in it:

m∠z + 43° = 180°
180 = z + 43
137 = z

Answer:
m∠z = 137°

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3 years ago

Two equations are shown:

gregori [183]

The value of x is 24 because 24-12=12
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3 years ago

Read 2 more answers