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grin007 [14]
3 years ago
9

Twice as number minus 4 is equal to five ​

Mathematics
1 answer:
mojhsa [17]3 years ago
5 0

Answer:

hi

Step-by-step explanation:

i mean like 5+4=9   9 divided by 2= 4.5

4.5 x 2 = 9 - 4 = 5

hope this helps

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Help me with (-6,-7);y=-4x+1
Morgarella [4.7K]

Answer: y=-4x-31

Step-by-step explanation:

To find a ling that is parallel to the given line and passes through the given point, we need to use the given point. We know that the slope MUST stay the same because parallel lines NEVER touch. All we have to do is plug in the point and find the y-intercept.

-7=-4(-6)+b            [multiply]

-7=24+b                 [subtract both sides by 24]

b=-31

Now, we know that y=-4x-31 is the equation.

4 0
3 years ago
The width of a triangle of 7 feet longer than its length. Find the dimensions of the rectangle such that the perimeter of the re
AveGali [126]

Answer:

Length = 37 feets

Width = 44 feets

Step-by-step explanation:

Given that :

Length = l

Width, w = 7 + l

Perimeter , P of rectangle = 162

Recall:

Perimeter of a rectangle = 2(l + w)

P = 2(l + w)

162 = 2(l + (7 + l))

162 = 2(l + 7 + l)

162 = 2(7 + 2l)

162 = 14 + 4l

162 - 14 = 4l

148 = 4l

l = 148 / 4

l = 37 feets

Width = l + 7

Hence,

Width = 37 + 7 = 44 feets

4 0
3 years ago
Model With Mathematics A photographer is
Damm [24]

Answer:

a. The possible dimensions of the total area are;

The width of the total area is (2·x + 8) inches

The length of the total area is (2·x + 10) inches

b. The dimensions of the photos are as follows;

The length of the photos are 10 inches

The width of the photos are 8 inches

Step-by-step explanation:

a. Given that the area, A = 4·x² + 36·x + 80

We get;

A = 4 × (x² + 9·x + 20) = 4 × (x + 4) × (x + 5) = (2·x + 8)·(2·x + 10)

Therefore, the possible dimensions of the total area (photo + mat) are;

The width of the total area (photo + mat) = (2·x + 8) in.

The length of the total area (photo + mat) = (2·x + 10) in.

b. The dimensions of the photos alone are shorter than the dimensions of the photo and mat combined by 2·x each

Therefore, we have the dimensions of the photos are as follows;

The length of the photo = (2·x + 10) in. - 2·x in. = 10 in.

The width of the photos = (2·x + 8) in. - 2·x in. = 8 in.

3 0
3 years ago
How to convert 3.9 meters to centimeters
joja [24]
You know 100 cm is one meter. So you multiply 3.9 by 100 = 390


Plz mark mine the brainliest answer:) hope this helped
3 0
3 years ago
Read 2 more answers
The length of segment PQ” can be written as PQ. True or false
Rudiy27
This is true But it can also be written as QP if there are only 2 points.<span />
6 0
3 years ago
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