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3 years ago

Really do need help on this

Mathematics

1 answer:

melamori03 [73]3 years ago

7 0

The answer would be d blue because blue has less colors than the rest of them.

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A quadrilateral has angles measuring 105°,80°and 45°.What is the measure of the fouth angle?

valentina_108 [34]

The measurement of fourth angle is: 130°

Further explanation:

Let A, B, C and D be the four angles.

m∠A=105°

m∠B=80°

m∠C=45°

We know that the sum of interior angles of a quadrilateral is 360°

So,

m∠A+m∠B+m∠C+m∠D=360°

105°+80°+45°+m∠D=360°

230°+m∠D=360°

m∠D=360°-230°

m∠D=130°

The measurement of fourth angle is: 130°

Keywords: Quadrilateral, Interior angles

Learn more about quadrilateral at:

#LearnwithBrainly

3 0

3 years ago

You received a bill for $82.53. You prepaid on a budget plan for $110.00/ mth. How much was

Yakvenalex [24]

Answer:192.53

Step-by-step explanation:

You just Add:

$82.53+$110.00=192.53

Your answer is: 192.53

8 0

3 years ago

Please help Leslie has a watering can that holds 3 liters of water.She uses 250 milliliters of water on each other plants how ma

vredina [299]

Answer:

Step-by-step explanation:

1 liter=1000 ml

3 liter=3×1000=3000 ml

number of plants=3000/250=12

4 0

3 years ago

What is the greatest common factor of 8 and 18?

SCORPION-xisa [38]

Answer: 2

Step-by-step explanation: To find the greatest common factor or GCF of 8 and 18, we begin by finding all of the factors of each number.

To find the factors of 8, we know that 8 ÷ 1 is 8 so 1 and 8 are factors.

8 ÷ 2 is 4 so 2 and 4 are factors.

However, if we continue to divide 8 by 3, 4, 5, and so on, we won't find any new factors. So the factors of 8 are 1, 2, 4, and 8.

Now let's find the factors of 18.

18 ÷ 1 is 18 so 1 and 18 are factors.

18 ÷ 2 is 9 so 2 and 9 are factors.

18 ÷ 3 is 6 so 3 and 6 are factors.

However, if we continue to divide by 4, 5, 6, and so on, we won't find any new factors. So the factors of 18 are 1, 2, 3, 6, 9, and 18.

Now that we have our list of factors, to find the greatest common factor, we simply find the largest number that is shared by the two lists.

Notice that our lists share a 1 but the largest number they share is a 2.

So the greatest common factor or gcf of 8 and 18 is 2.

I have also shown my work on the whiteboard.

4 0

3 years ago

How do you this question? Please explain.

Nuetrik [128]

Answer:

Step-by-step explanation:

Recognize that all the triangles are right triangles, so are similar to each other. In these similar triangles, the ratio of the short side to the long side is the same for all.

... CB/CA = CT/CB

... CB² = CA·CT = 10·6 = 60 . . . . . . . . . . multiply by CA·CB; substitute values

... CB = √60 = 2√15 . . . . . . . take the square root; simplify

_____

Comment on this solution

The altitude to the hypotenuse of a right triangle (CB in this case) divides the hypotenuse into lengths such that the altitude is their geometric mean. That is ...

... CB = √(AC·CT) . . . . as above

This is true for any right triangle — another fact of geometry to put in your list of geometry facts.

3 0

3 years ago