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baherus [9]
3 years ago
9

Can someone help me?

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
7 0

Answer:

w=4     W=8

Step-by-step explanation:

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(a) A square has a perimeter of 32 ft. What is the length of each side?
vitfil [10]
A. 32/4=8
B. Square root of 9 = 3
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3 years ago
Ms. Abrams receives a 4% commission plus a salary of $275.00 per week. If her total sales for one week are $2,880.00, how much d
Marta_Voda [28]
390.20 is the answer because 4%of 2880 is 115.20 plus 275.00 is 390.20
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3 years ago
The vertices of a triangle ABC are A(7, 5), B(4, 2), and C(9, 2). What is measure of angle ABC? 30° 45° 56.31° 78.69°
GenaCL600 [577]

The measure of angle ABC is 45°

<em><u>Explanation</u></em>

Vertices of the triangle are:   A(7, 5), B(4, 2), and C(9, 2)

According to the diagram below....

Length of the side BC (a) =\sqrt{(4-9)^2+(2-2)^2}= \sqrt{25}= 5

Length of the side AC (b) = \sqrt{(7-9)^2 +(5-2)^2}= \sqrt{4+9}=\sqrt{13}

Length of the side AB (c) = \sqrt{(7-4)^2 +(5-2)^2} =\sqrt{9+9}=\sqrt{18}

We need to find ∠ABC or ∠B . So using <u>Cosine rule</u>, we will get...

cosB= \frac{a^2+c^2-b^2}{2ac} \\ \\ cos B= \frac{(5)^2+(\sqrt{18})^2-(\sqrt{13})^2}{2*5*\sqrt{18} }\\ \\ cosB= \frac{25+18-13}{10\sqrt{18}} =\frac{30}{10\sqrt{18}}=\frac{3}{\sqrt{18}}\\ \\ cosB=\frac{3}{3\sqrt{2}} =\frac{1}{\sqrt{2}}\\ \\ B= cos^-^1(\frac{1}{\sqrt{2}})= 45 degree

So, the measure of angle ABC is 45°

7 0
3 years ago
Read 2 more answers
HELP WILL GIVE BRAINLIST!!!!
MatroZZZ [7]
1) 1 -4 2 3
1. 1. -3 -1
-3 -1. 2
remainder is 2
5 0
3 years ago
Read 2 more answers
Ill give brainlist please answer asap
zalisa [80]

Answer:

A = 51 pages

N = 71 pages

Nolan will be 20 pages farther along in the book than Addison after 4 days.

Step-by-step explanation:

for Addison if you multiply 11 by 4 you get 44 then you add 7 you get 51

For Nolan if you multiply 6 by 4 you get 24 then you add 47  and you final answer is 71

7 0
3 years ago
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