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ella [17]
3 years ago
9

Please help very urgent on test...

Mathematics
1 answer:
stepladder [879]3 years ago
8 0

Answer:

Equation: (2x+5)4=(2x+8)3

X: 2

Perimeter: 36

Step-by-step explanation:

You would multiply 2x+5 and 4 because there are four sides to a square, so the perimeter of the square would be 8x+20. This would go same for the triangle, making the perimeter 6x+24.

So 8x+20=6x+24 is your new equation. Then, you do the opposite of the order of operations, and add or subtract first. It would be easiest to subtract 20 and 6x from both sides.

That leaves you with 2x=4. Dividing 2 by both sides means x=2

You can plug this in to prove if it is correct.

16+20=36

12+24=36

Lmk if you get it!

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Which additional facts prove that RST and<br> WXY are congruent? (Geometry)
alexandr402 [8]

Answer:

Option C

Step-by-step explanation:

In the given triangles ΔRSW and ΔWXY,

m(∠S) = m(∠X) = 60° [Given]

Properties of congruence of two triangles applicable in this question,

SAS or ASA

For the congruence of two triangles by the property SAS,

"Two corresponding sides and the included angle should be congruent"

RS ≅ WX, ST ≅ XY and ∠S ≅ ∠X

Which is not given in any option.

For the congruence of two triangles by the property ASA,

"Two consecutive angles and the side having these angles should be congruent"

∠R ≅ ∠W, ∠S ≅ ∠X and RS ≅ XY

Option C will be the correct option.

6 0
3 years ago
Multiply 9(6/7) and write the result I. simplest form? please show me the step ​
GarryVolchara [31]
ANSWER:

The answer would be C. 54/7

EXPLANATION:

Multiply 9* 6/7 = 9x6/1x7 = 54/7

Multiply both nominators and denominators
Result to keeping the lowest possible denominator GCD(54, 7).

GCD - 54 / 1 = 53
7 / 1 = 7

8 0
2 years ago
24 dived by 7=what is the remainder
motikmotik
3 is the remainder because the closest is 7 times 21 so it’s remainder 3
7 0
3 years ago
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Which equation shows the relationship between the volume, (V) of the prism and its height (h)?
denis-greek [22]

Answer:

h = V/lw

Step-by-step explanation:

We know the formula for the volume of a rectangular prism is V = lwh. We need to use this equation and solve for h by dividing lw on both sides.

V = lwh

V/lw = h

4 0
3 years ago
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sergejj [24]
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3 0
3 years ago
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