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labwork [276]
2 years ago
10

4(c + d) -3c + 5d when c=1.5 and d= -6.2

Mathematics
1 answer:
patriot [66]2 years ago
7 0

Answer:

-54.3

Step-by-step explanation:

4(1.5−6.2)−4.5−31

=(4)(−4.7)−4.5−31

=−18.8−4.5−31

=−23.3−31

=−54.3

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Arte-miy333 [17]

Answer:

Green) 24in

Yellow) 31in

Blue) 27in

Step-by-step explanation:

Just add each number of the one shape.

To find the Area:

Multiply each number

To find Perimeter:

Add each number

4 0
2 years ago
1 1/2 divided by 3 simplify your andwrr
Phantasy [73]

1 1/2 / 3

3/2 / 3

0.5 or 1/2

---

hope it helps

8 0
3 years ago
Read 2 more answers
The sum of two numbers is 100 and their difference is -20. What are the two numbers?
salantis [7]

Answer:

x=40 and y= 60

Step-by-step explanation:

<u>step:1</u>

Let 'x' and 'y' are two numbers

given data the sum of two numbers is 100

x+y = 100......(1)

Given difference of two numbers are

x - y = -20 ......(2)

<u>Step :2</u>

solving the equation (1) and (2)

adding the equations (1) and (2)

x+y+x-y=100-20

cancelling 'y' terms are

2 x = 80

dividing "2" on both sides, we get

x = 40

<u>Step :3</u>

substitute x = 40 in equation (1)

x + y =100

40 + y = 100

subtracting "40" on both sides, we get

40 + y - 40 = 100 -40

y = 60

Final answer:-

The two numbers are x = 40 and y= 60

3 0
3 years ago
Pring 2022
lutik1710 [3]

Answer:

<u>c = 10 - 11(0.65)</u>

Step-by-step explanation:

The equation is :

  • <u>c = 10 - 11(0.65)</u>

<u />

Change will be :

  • c = 10 - 7.15
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5 0
2 years ago
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Which of the following is the equation of a line parallel to the line y = 3x + 2,
earnstyle [38]

Answer:

B

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 3x + 2 is in this form with slope m = 3

• Parallel lines have equal slopes, hence

y = 3x + c ← is the partial equation of the parallel line

To find c substitute (10, 1) into the partial equation

1 = 30 + c ⇒ c = 1 - 30 = - 29

y = 3x - 29 ← in slope- intercept form

Subtract y from both sides

0 = 3x - y - 29 ( add 29 to both sides )

29 = 3x - y, thus

3x - y = 29 ← in standard form → B

3 0
3 years ago
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