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rusak2 [61]
3 years ago
9

Question 8 (1 point) What is the value of the expression 5(a + b)-3(b + c) if a = 4, b 3, and c 2? A. 20 B. 18 C. 14 D. 10 A B O

c​

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
8 0
Answer:

20

Explanation:

Substitute the given values:
A= 4
B= 3
C= 2

5(a+b)-3(b+c)
5(4+3)-3(3+2)

Add the numbers:

5(7)-3(5)
5•7 = 35 and 3•5= 15
35-15 =20

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-3 (v + 4) = 2v - 37
asambeis [7]

Step-by-step explanation:

-3 (v + 4) = 2v - 37

-3v - 12 = 2v - 37

5v = 25

v = 5

3 0
3 years ago
Question 1
kenny6666 [7]

The inequality is given by 20x + 25y ≤ 1100 and x + y > 50

<h3>What is an inequality?</h3>

An inequality is an expression that shows the non equal comparison of two or more numbers and variables.

Let y represent the number of soccer balls and x represent the number of volleyballs.

The coach can spend a maximum of $1,100, hence:

20x + 25y ≤ 1100

Also, The coach plans to order at least 50, hence:

x + y > 50

The inequality is given by 20x + 25y ≤ 1100 and x + y > 50

Find out more on inequality at: brainly.com/question/24372553

6 0
2 years ago
The formula for the area of a triangle is a =1/2bh in which b represents the length of the base Andy represents the height. If a
aleksandrvk [35]
A=1/2bh
Data:
a=192 mm²
h=12 mm


therefore:
192 mm²=1/2(b)(12 mm)
192 mm²=6b mm
b=192 mm²/6 mm
b=32 mm

Answer: the measure of the base is 32 mm
4 0
3 years ago
Read 2 more answers
Joyce is training for a race the ratio of the number of minutes she runs to the number of miles she wants is 24 to 3 she plans t
CaHeK987 [17]

Answer:

84

Step-by-step explanation:

6 0
3 years ago
A can in the shape of a right cylinder is filled with 10W-40 oil. The weight of 10W-40 oil is 0.857 gram per cubic centimeter. I
Leya [2.2K]
To solve this, we have to find the volume of the cylinder first.  The formula to be used is V =  \pi  r^{2} h

Given:V= ?r= 6cmh= 10cm
Solution:V =  \pi  r^{2} h
V= (3.14)(6cm)^{2} x 10cmV= (3.14)(36cm^{2}) x 10cmV= (113.04cm^{2}) x 10cmV= 1130.4cm^3
Finding the volume of the cylinder, we can now solve what the weight of the oil is.  Using the formula of density, Density = mass/volume, we can derive a formula to get the weight.
Given:Density = 0.857 gm/cm^3Volume = 1130.4 cm^3
Solution:weight = density x volumew= (0.857 gm/cm^3) (1130.4cm^3)w= 968.7528 gm
The weight of the oil is 968.75 gm.
5 0
3 years ago
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