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Dimas [21]
3 years ago
6

X - 3 = 8 4 Helppppppp

Mathematics
2 answers:
Misha Larkins [42]3 years ago
8 0

x-3 = 8×4

x-3 = 32

x = 32+3

x = 35

aivan3 [116]3 years ago
7 0
X=35 i hope this was right :)
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GuDViN [60]

Answer:

The length of the diagonal is closest to 51 cm.

Step-by-step explanation:

Given:

TV screen is 41 cm long and 31 cm high.

Now, to find the length of the diagonal.

By using pythagorean theorem:

leg 1 = 41 cm, leg 2 = 31 cm.

Let the hypotenuse be x.

(leg 1)² + (leg 2)² = hypotenuse²

41^{2} +31^{2}=x^{2}

⇒1681+961=x^{2}

⇒2642=x^{2}

<em>Using square root on both sides we get:</em>

⇒51.40=x

<u><em>So, the length of the diagonal = 51.40 cm. </em></u>

<u><em>By rounding off of 51.40cm it becomes 51 cm.</em></u>

Therefore, the length of the diagonal is closest to 51 cm.

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Step-by-step explanation:

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Is -18.75 rational or irrational number
galina1969 [7]

Answer:

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3 years ago
The price p of a new house minus a 20% down payment
LuckyWell [14K]

Answer:

0.8p or p - 0.2p

Step-by-step explanation:

You can find the price for any house minus the down payment by writing an expression with a variable. Let p be the price of the house. If you pay 20% then the price will be lowered by 20%. You will pay as your mortgage 80% of the price. You can write it as either the expression 0.8p or p - 0.2p.

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2 years ago
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Licemer1 [7]

Answer:

See explanation

Step-by-step explanation:

If PX\cong PY, then triangle PXY is isosceles triangle. Angles adjacent to the base XY of an isosceles triangle PXY are congruent, so

\angle 1\cong \angle 2

and

m\angle 1=m\angle 2

Angles 1 and 3 are supplementary, so

m\angle 3=180^{\circ}-m\angle 1

Angles 2 and 4 are supplementary, so

m\angle 4=180^{\circ}-m\angle 2

By substitution property,

m\angle 4=180^{\circ}-m\angle 2=180^{\circ}-m\angle 1=m\angle 3

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\angle 3\cong \angle 4

Consider triangles APX and BPY. In these triangles:

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so \triangle APX\cong \triangle BPY by ASA postulate.

Congruent triangles have congruent corresponding sides, then

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4 years ago
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