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postnew [5]
2 years ago
12

Please help i will mark brainliest

Mathematics
2 answers:
Vikentia [17]2 years ago
4 0

Answer:

So I'm not going to give you the answer but

Step-by-step explanation:

for x left is - and right is +

for y down is - and up is +

barxatty [35]2 years ago
3 0

Answer:

2

Step-by-step explanation:

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Including the bottom, how many faces are there.
Artist 52 [7]

The answer is 5 I’m sure of it 100%

8 0
3 years ago
A border of uniform width is placed around a rectangular photograph that measures 8 inches by 10 inches. If the area of the bord
amid [387]

Answer:

width of the border is 3 inches

Step-by-step explanation:

Given data

size = 8 inches by 10 inches

area = 144 square inches

to find out

width of the border

solution

first we consider width of border is x

area of new full rectangle =  (8 + 2x ) × ( 10 + 2x )

so we know  area of photo = 8 × 10 = 80 square inches

and area of border = 144 square inches that is given

so new area of photo with the border is 80 + 144 = 224 square inches

and we can say that

area of full rectangle  - area of the photograph = Area of Border

(8 + 2x) × (10 + 2x) – (80) = 144  square inches

80 + 16x + 20x + 4x^{2} – 80 = 144

4x^{2} + 36x – 144 = 0

solve thios equation we get  

2x^{2} + 9x – 36 = 0

solve thios equation we get  

(x + 12) (x – 3) = 0  

so here x have two value one is negative and other is positive

so we consider only positive value

x = -12 or x = 3

width of the border is 3 inches

7 0
3 years ago
Find the measure of angle C of a triangle ABC, if: d m∠A = 60°+α, m∠B = 60°−α
snow_lady [41]

Answer:

m∠C  =  60°

Step-by-step explanation:

we know that sum of angles of a traingle is 18 degrees.

given

m∠A = 60°+α,

m∠B = 60°−α

we have to find  m∠C

m∠A + m∠B +  m∠C = 180

60°+α +  60° - α +m∠C = 180

+α and -α gets cancelled

120°+m∠C = 180

=> m∠C  =  180° -  120° =  60°

Thus, measure of angle c is  60°.

8 0
2 years ago
The expression below is a sum of cubes. 125x3 + 169
diamong [38]
125x^3 = (5x)^3
125x^3 is the cube of 5x.

169 = 13^2
169 is the square of 13, but not the cube of a rational number.

The statement is false.

7 0
3 years ago
Read 2 more answers
B is the midpoint of ac. ab equals 4x-1 and bc equals 5x-5. what is the length of bc?
Aloiza [94]

Answer:

BC= 15

if I am right please mark it as brianliest

6 0
1 year ago
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