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Trava [24]
2 years ago
5

Please help me please

Mathematics
2 answers:
AleksAgata [21]2 years ago
5 0

Answer:

I think this AB would equal 12! Let me know if its right or wrong :3

Step-by-step explanation:

Norma-Jean [14]2 years ago
3 0
Im blind SKDJFJNEDKODNANSRNFIS
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You want to have $5,000 to put toward a down payment on a car in four years.
Elden [556K]

Answer:

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Step-by-step explanation:

3 0
3 years ago
A The length of a rectangle is 4 m more
Lady bird [3.3K]

Given :

  • The length of a rectangle is 4m more than the width.
  • The area of the rectangle is 45m²

⠀

To Find :

  • The length and width of the rectangle.

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Solution :

We know that,

\qquad { \pmb{ \bf{Length \times Width = Area_{(rectangle)}}}}\:

So,

Let's assume the length of the rectangle as x and the width will be (x – 4).

⠀

Now, Substituting the given values in the formula :

\qquad \sf \: { \dashrightarrow x  \times  (x - 4) = 45 }

\qquad \sf \: { \dashrightarrow {x}^{2}  - 4x = 45 }

\qquad \sf \: { \dashrightarrow {x}^{2}  - 4x - 45 = 0 }

\qquad \sf \: { \dashrightarrow {x}^{2}    - 9x+ 5 x - 45 = 0 }

\qquad \sf \: { \dashrightarrow x(x - 9) + 5(x - 9) = 0 }

\qquad \sf \: { \dashrightarrow (x  - 9) (x  + 5) = 0 }

\qquad \sf \: { \dashrightarrow x = 9, \: \: x =  - 5}

⠀

Since, The length can't be negative, so the length will be 9 which is positive.

⠀

\qquad { \pmb{ \bf{ Length _{(rectangle)} = 9\:m}}}\:

\qquad { \pmb{ \bf{ Width _{(rectangle)} = 9 - 4=5\: m}}}\:

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

8 0
2 years ago
A rectangular photograph has an area of 65 square inches. If the length of the photo is 3 inches less than twice it's height, fi
tankabanditka [31]
A = L * H
A = 65
L = 2H - 3

65 = H(2H - 3)
65 = 2H^2 - 3H
-2H^2 + 3H + 65 = 0
(-Hh + 13)(H + 5) = 0

-2H + 13 = 0
-2H = -13
H = -13/-2
H = 6.5 <== height is 6.5 inches

H + 5 = 0
H = -5....this wont work because it is negative

L = 2H - 3
L = 2(6.5) - 3
L = 13 - 3
L = 10 <== length is 10 inches


4 0
3 years ago
Type the integer that makes the following subtraction sentence true for Brainliest!!!
Lesechka [4]

Answer:

The answer; – 15

- 15 \:  \:  - 19 =  - 34

I hope I helped you^_^

3 0
3 years ago
Read 2 more answers
There are 15 groups with 90 sixth graders and 60 seventh graders how many students are in each group
ANTONII [103]

Answer: 10 students in each group

Step-by-step explanation: Add 90 + 60 which is 150

Divide 150 by 15 to find out the amount of students in each group.

150 divided by 15 is 10.

5 0
2 years ago
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