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fomenos
3 years ago
7

What does A equal 3a-5=-14

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
3 0

Answer:

A = -3

Step-by-step explanation:

You might be interested in
What is a simpler form of the expression 8n + 5n
poizon [28]

Answer:

13n

Step-by-step explanation:

Add them together. They are like terms.

7 0
4 years ago
Read 2 more answers
Please help with 1,2, and 3
Brilliant_brown [7]
1)He should measure the perimeter.
9+5+9+5=28 inches
2) she should measure the circumference
3) He should measure the Area
8×14=112 Square feet
6 0
3 years ago
Find the exact value of x. Do the sides lengths form a Pythagorean triple?
kifflom [539]
It is square root of 495.
Use Pythagorean theorem.
We have A and C.
Subtract 81 from 576 to get 495.
To find x, un square both sides to get
About 22.2485955
Or 22.2 or 22 depending if we round.
5 0
3 years ago
Enter an inequality to model the situation.
DaniilM [7]

The required inequality statement tonmode’ the scenario given is : 16 + 6s ≥ 40

  • The number fencing leftover = 8 foot × 2 = 16 feet
  • Required number of fencing ≥ 40
  • The additional number of 6 foot fencing required = s

Representing this as an inequality :

  • Left over + additional fencing ≥ 40

Therefore,

  • 16 + 6s ≥ 40

Learn more : brainly.com/question/20383699?referrer=searchResults

4 0
3 years ago
A triangle has two sides measuring 16 and 21. The included angle is 116°. What is the length of the side opposite the 116° angle
Crank

Answer:

Length of the side opposite to angle 116^{\circ} is 31.49

Step-by-step explanation:

Included angle can be defined as the angle in between two sides of the triangle.

So angle 116^{\circ} is in between sides 16 and 21.

Refer to the attachment for triangle diagram.

To find the length of opposite side, use cosine rule as follows

a^{2}=b^{2}+c^{2}-2\:b\:c\cos\left(A\right)

From the diagram, b = 21,c = 16,\angle A=116^{\circ}

Substituting the values in the formula,

a^{2}=\left(21\right)^{2}+\left(16\right)^{2}-2\left(21\right)\left(16\right)\cos\left(116\right)

Simplifying,

a^{2}=441+256-225792\left(-0.44\right)

a^{2}=991.59

Taking square root on both sides,

\sqrt{a^{2}}=\sqrt{991.59}

a=31.49

Therefore length of third side is 31.49

7 0
3 years ago
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