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Tomtit [17]
3 years ago
12

Find the sum: (6a + 6) + (3x - 2) + (2a + 4)

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
7 0

Answer:

8a + 3x + 8

All you have to do is add numbers around to make the process easier.

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A rectangular piece of poster board measures 60 centimeters by 80 centimeters. Linn draws the net of a box on the poster board a
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60*80-10*16 if it's regular area and not surface area
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3 years ago
Help asap with Arcs! 30 Points
alexira [117]
The answer is 15

these chords are congruent because the radius of the circle are perpendicular to the them
so we can find EF by making an equation:
3x + 5 = x + 35 \\ 3x - x = 35 - 5 \\ 2x = 30 \\ x = \frac{30}{2} = 15

so EF is = 3(15)+5=50
good luck
6 0
3 years ago
The mean amount spent by a family of four on food is $500 per month with a standard deviation of $75. Assuming that the food cos
Alexeev081 [22]

Answer:

z=\frac{x- \mu}{\sigma}

And replacing we got:

z=\frac{425-500}{75}= -1

And we can calculate this probabilit using the normal standard distribution or excel and we got:

P(z

Step-by-step explanation:

If we define the random variable of interest "the amount spent by a family of four of food per month" and we know the following parameter:

\mu = 500, \sigma = 75

And we want to find the following probability:

P(X

And we can use the z score formula given by:

z=\frac{x- \mu}{\sigma}

And replacing we got:

z=\frac{425-500}{75}= -1

And we can calculate this probabilit using the normal standard distribution or excel and we got:

P(z

5 0
3 years ago
What is the solution to the inequality? 5t≤−15
qwelly [4]
The solution of the inequality is t<-3. Because -15 divided by 5t is equal to -3
8 0
3 years ago
Read 2 more answers
Write the function that describes the line that has a y-intercept of -3 and a slope of 2/3
Ugo [173]

The function that describes the line that has a y-intercept of -3 and a slope of 2/3 is y = 2/3x - 3. Hope that helps!

8 0
3 years ago
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