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3 years ago

HELP PLEASE!!

Mathematics

1 answer:

fiasKO [112]3 years ago

4 0

Answer:

dawn= x

erik= 1/3 x

jiro= 1/3 x -4

alita= 2(1/3 x -4)

x+ $\frac{1}{3}$ x+ (1/3) x -4+2(1/3 x -4)=72

Step-by-step explanation:

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A small pebble has a mass of about 20 L b. 20 ml 20 g 20 kg d.

zhuklara [117]

Answer:

20g

since mass should be in kg or gram if small then g

7 0

3 years ago

Find the measure of CP

dmitriy555 [2]

Given:

A figure ABCP.

To find:

The measure of CP.

Solution:

In triangles ABP and CBP,

$\angle PAB\cong \angle PCB$ (Given right angles)

$\angle ABP\cong \angle CBP$ (Given)

$BP=BP$ (Common side)

Now,

$\Delta ABP\cong \Delta CBP$ (By AAS property of congruence)

We know that the corresponding parts of congruent triangles are congruent.

$AP=CP$

$8=CP$

Therefore, the measure of CP is 8 units.

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2 years ago

Find the surface area of the triangular prism

ArbitrLikvidat [17]

Answer:

168.43524

Step-by-step explanation:

A=ah+bh+ch+1

2﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=7·6+7·6+7·6+1

2·﹣74+2·(7·7)2+2·(7·7)2﹣74+2·(7·7)2﹣74≈168.43524

5 0

3 years ago

Please help no links please!’n

denis-greek [22]

Answer:

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4 0

2 years ago

Find the angle of depression

slavikrds [6]

Given:

In triangle ABC, $m\angle A=66^\circ, AB=5\text{ mi}$ .

To find:

The angle of depression from point A to point C.

Solution:

According to angle sum property, the sum of all interior angles of a triangle is 180 degrees.

In triangle ABC,

$m\angle A+m\angle B+m\angle C=180^\circ$

$66^\circ+90^\circ+m\angle C=180^\circ$

$156^\circ+m\angle C=180^\circ$

$m\angle C=180^\circ-156^\circ$

$m\angle C=24^\circ$

We know that if a transversal line intersect the two parallel lines, then alternate interior angles are equal. So, the angle of depression from point A to point C is equal to the measure of angle C in triangle ABC.

Therefore, the angle of depression is 24 degrees.

6 0

3 years ago