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Readme [11.4K]
3 years ago
15

Help please!

Mathematics
1 answer:
zavuch27 [327]3 years ago
5 0
That is the answer someone gave you.
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Add the two expressions.<br> 32 – 4 and 2z + 5<br><br><br> Pls help quick!
alexgriva [62]

Answer:

2z + 33

Step-by-step explanation:

Add like terms like below:

(32 - 4) + (2z + 5) = 28 + 2z + 5

Combine like terms again:

(28 + 5) + 2z = 33 + 2z or 2z + 33

7 0
3 years ago
Write the equation of the line that passes thriugh the points (3,-2) and (5,-9)?
Tanya [424]

Answer:

y = -7/2x + 17/2

Step-by-step explanation:

Slope = (-9 - - 2)/(5 - 3)

= -7/2

y-intercept: -2 - (-7/2)(3)

= -2 + 21/2 (-2*2+21)/2

= 17/2

4 0
2 years ago
The scale on a drawing is 1 cm = 4.5 meters. If the length of the drawing is 6.2 cm, what is the actual length in meters?
Nataly [62]

Answer:

I think the awnser is 27.9

Step-by-step explanation:

4.5*6.2=27.9

7 0
3 years ago
During track practice,Jonathan ran 5kilometers.Rod ran 4,250 meters.Who ran further?Explain
svp [43]

Dvbjddcnlkhgvvnjg ghjrkjd

3 0
3 years ago
Find the length and width of a rectangle whose perimeter is 20 feet and whose area is 21 square feet
ipn [44]

Answer:

Length = 3

Width = 7

Step-by-step explanation:

The perimeter is 20 feet

The area is 21 feet

Let x represent the length

Let y represent the width

20 = 2(x+y)

x+y= 20/2

x+y = 10.........equation 1

x × y= 21......equation 2

From equation 1

x= 10-y

Substitute 10-y for x in equation 2

(10-y)y= 21

10y - y^2 = 21

y^2 -10y + 21= 0

After factorization the result will be

(x-3)(y-7)

x-3= 0

x= 0+3

x= 3

y-7= 0

y= 0+7

y= 7

Hence the length is 3 and the width is 7

6 0
3 years ago
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