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Ann [662]
3 years ago
11

PLEASE ANSWER THIS QUESTION ASAP!!

Mathematics
1 answer:
leonid [27]3 years ago
4 0
Have you tried doing (3x+18)+(9x-27)=99
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kathy recorded the following measurement of length: 2.5 cm, 2.9 cm, and 3.1 cm. what is the mean for this set of values, in cm?
jeka94
2.5cm=25 mm
2.9cm=29 mm
3.1cm=31 mm
They give it in cm because it’s easier to guess how long it will be in real life
8 0
3 years ago
What does a=? b=? Angle B=?
Kobotan [32]

Answer:

If you were solving the right triangle, it would be:

m∠A = 46°

m∠B = 44°

m∠C = 90°

AB = 32

BC ≈ 23

AC ≈ 24

Step-by-step explanation:

To solve this right triangle, you can use trigonometric ratios to solve for the sides. To find the angle measures:

m∠A = 46° (given)

m∠B = x

m∠C = 90° (given)

180 - (46 + 90) = x

180 - 136 = x

44 = x

m∠B = 44°

To find the side measures, you can use tangent, sine, cosine, and the Pythagorean Theorem.

Recall that:

tangent = opposite side/adjacent side

sine = opposite side/hypotenuse

cosine = adjacent side/hypotenuse

So:

sin46 = BC/32

BC = 32 (sin46)

BC ≈ 23

tan46 = BC/AC

AC = BC/tan46

AC = (23.01887361...) (tan46)

AC ≈ 24

5 0
2 years ago
If a equals 10 feet, B equals 6B, C equals 1 foot, D equals 14 feet, and E equals 2 feet, what is the area of the object?
lutik1710 [3]
I think it may be 1,680B but I'm not too sure...
7 0
3 years ago
HELP FAST 100 POINTS 100 POINTS What is the value of the expression when a = 5, b = 4 , and c = 6?⁢ 4a2b−c 2 5 9 10
ohaa [14]

For this case we must find the value of the following expression:

4a ^ 2b-c

When:

a = 5\\b = 4\\c = 6

Substituting the given values we have:

4 (5) ^ 2 * 4-6 =\\4 (25) (4) -6=\\400-6 =\\394

Finally, the value of the expression is 394.

Answer:

The value of the expression is 394.

3 0
2 years ago
Read 2 more answers
Write a situation in which positive and negative numbers are used to describe values that have opposite meaning. What does 0 rep
irina [24]

Answer:

0 is neutral when used in integers. When two integers are the same distance away from 0, on opposite sides of the number line, they are opposites.

7 0
3 years ago
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