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Lesechka [4]
3 years ago
14

Estimate using a rate per 100 what 19% of 288

Mathematics
2 answers:
Arada [10]3 years ago
6 0

Answer:

60.

Step-by-step explanation:

We are asked to find 19% of 288 by estimate.

First of all, we will round 19% to nearest ten percent that is 20%.

Let us round 288 to nearest hundred.

288\approx 300

Now, we will find 20% of 300 as:

20\%\text{ of }300=300\times \frac{20}{100}

20\%\text{ of }300=3\times 20

20\%\text{ of }300=60

Therefore, our required amount is 60.

cestrela7 [59]3 years ago
5 0
288*0.19= 54.72

so 19% of 288 is 54.72%
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The hypotenuse of a right triangle measures 15 cm and one of its legs
Kay [80]

Answer:

[see below]

Step-by-step explanation:

Use the Pythagorean Theorem.

a^2+b^2=c^2

'c' will be the hypotenuse.

The hypotenuse is 15 cm.  One of the legs is 5 cm.

5^2+b^2=15^2\\\\25 + b^2 = 225\\\\25-25+b^2=225-25\\\\b^2=200\\\\\sqrt{b^2}=\sqrt{200}\\\\  b=14.1421356237..., -14.1421356237

14.1421356237 ≈ 14.1

The other leg should be about 14.1 cm.

Hope this helps.

4 0
3 years ago
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True or false? Any matrix plus the identity matrix is the original matrix.
lapo4ka [179]
The answer is a true
5 0
3 years ago
Which quadratic function has a wider graph than y=2x^2?
Trava [24]

Answer:

y = 1/2 x²

Step-by-step explanation:

The coefficient of the first term in a quadratic, in our case here, x², will tell us how the graph stretches. This is akin to the slope within the linear graph. Similar to the slope, the smaller the coefficient value, or value of slope m, the shallower the angle.

When discussing quadratics, the larger the coefficient of our x² term, the steeper, and skinnier the graph. If we want to look for a graph that is wider than y = 2x², then we need to find a graph with a coefficient that is less than 2.

Our only option then is

y = 1/2 x²

8 0
3 years ago
To babysit one child, Fernando charges $10 to drive to the appointment plus $4 per hour. He saves 30% of the total amount he ear
sammy [17]

Th equation that can be used to determine when they would have saved the same amount is 0.3(10 + 4h) = 0.25(6h).

<h3>When would they have saved the same amount?
</h3>

The equation that can be used to determine the amount saved by Fernando is:

total amount saved = percentage saved x (amount charged to drive to the appointment + total amount earned)

0.3( $10 + $4h)

The equation that can be used to determine the amount saved by Brenna is:

percentage saved x total amount earned

0.25h

When they save the amount amount, the two above equations would be equal:  0.3(10 + 4h) = 0.25(6h).

To learn more about linear equations, please check: brainly.com/question/26434260

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7 0
2 years ago
What are the missing parts that correctly complete the proof
bonufazy [111]

Answer:

2. \overline{AX}\cong \overline{BX}

3. PX \perp AB - definition of perpendicular

4. \angle PXA \cong \angle PXB - all right angles are congruent

6. \triangle AXP\cong \triangle BXP

7. \overline{PA} \cong \overline{PB}

Step-by-step explanation:

<u>Given: </u>Point P is the perpendicular bisector of AB

<u>Prove: </u>P is equidistant from the endpoints AB

<u>Proof.</u>

1. Point P is on the perpendicular bisector of AB - given

2.\overline{AX}\cong \overline{BX} - definition of bisector

3. PX \perp AB - definition of perpendicular

4.  \angle PXA \cong \angle PXB - all right angles are congruent

5. \overline{PX} \cong \overline{PX} - reflexive property of congruence

6. \triangle AXP\cong \triangle BXP - SAS congruency postulate

7. \overline{PA} \cong \overline{PB} - corresponding parts of congruent triangles are congruent

8. Point P is equidistant from the endpoints of AB - definition of equidistant

5 0
3 years ago
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