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Vesna [10]
3 years ago
9

A rectangle has a length of 2x+7 and a width of 3x+8y write and simplify an expression for perimeter of that rectangle

Mathematics
1 answer:
harkovskaia [24]3 years ago
6 0
The perimeter of rectangle is 2L + 2W where L is length and W is width.
Then substitute and evaluate:
2(2x + 7) + 2(3x + 8y)
4x + 14 + 6x + 16y
10x + 16y + 14
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The mayor of a town believes that over 47G% of the residents favor construction of an adjoining community. Is there sufficient e
photoshop1234 [79]

Answer:

There is sufficient evidence at the 0.05 level

Null hypothesis ; H0 : p = 0.47

Alternative hypothesis : H1 : p ≠ 0.47

Step-by-step explanation:

percentage favoring construction of adjoining community = 47%

level = 0.05

To determine if the 0.05 confidence level is enough to support the major's claim we have to state the Null and alternative hypothesis

Null hypothesis ; H0 : p = 0.47

Alternative hypothesis : H1 : p ≠ 0.47

5 0
3 years ago
If a line with a slope of -2 crosses the y-axis at (0,3) what is the equation of the line
Ghella [55]
Hello!

The equation can be written as seen below. You only need a y-intercept and slope to write the equation.

y=-2x+3                             (it intercepts at a y-value of 3).

I hope this helps!
5 0
3 years ago
Juan wants to find two numbers such that their sum is 33 and their difference is 13. The equations that will help him find the a
bija089 [108]
2x - 13 = 33 \\ 2x = 33 + 13 \\ 2x = 46 \\ \frac{2x}{2} = \frac{46}{2} \\ x = 23
33-23=10. 10+23=33. 23-10=13
the numbers are 23 and 10
6 0
3 years ago
Read 2 more answers
Find the numerator for the equivalent fraction. 1/4 = x/20
Rama09 [41]

Answer:

The numerator is 5.

Step-by-step explanation:

You would multiply the numerator by 5 as the denominator multiplies by 5.

8 0
3 years ago
Use the Remainder Theorem to determine which binomial is a factor of the function f(x) = x3 − 2x2 − 19x + 20.
dybincka [34]

Answer:

(x - 1)

Step-by-step explanation:

Given

f(x) = x³ - 2x² - 19x + 20

The sum of the coefficients is 1 - 2 - 19 + 20 = 0

This means that x = 1 is a root and (x - 1) is a factor of f(x)

3 0
3 years ago
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