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Svetllana [295]
3 years ago
5

2xsquared+8x-19what is the steps to solve

Mathematics
2 answers:
kakasveta [241]3 years ago
7 0
To solve this it would have to be equal to something
spayn [35]3 years ago
4 0
2x^2+8x-19
This can't be simplified, I would factorise it but -19 is prime.

Sorry.<span />
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HELP!! <br> 9. What is the area of triangle AOB?
Akimi4 [234]

Angles ∠ACD and ∠CAB are congruent because they are alternate angles. Then the area of the triangle AOB will be 22.53 square cm.

<h3>What is the area of the right-angle triangle?</h3>

The area of the right-angle triangle is given as

A = 1/2 x B x H

Where B is the base and H is the height of the right triangle.

We know that angles ∠ACD and ∠CAB are congruent because they are alternate angles.

α₁ = 40°

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Then the area of the triangle will be

Area = 1/2 x 7.8 x 7.8 x tan40°

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More about the area of the right-angle triangle link is given below.

brainly.com/question/16653962

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5 0
2 years ago
Please help with this MATH question. I would appreciate it, it is the only one I need help with. SOLVING A SYSTEM INCLUDING LINE
makkiz [27]

Answer:

see below and attached

Step-by-step explanation:

To solve a system of quadratic equations:

  • Equal the equations then rearrange so that it is set to zero.
  • Use the quadratic formula to solve.

I have done this (see attached workings) but cannot get any of the solutions you've provided.  I have even graphed the two functions, and the points of intersection concur with my workings (see attached graph).

4 0
2 years ago
Help! how would i work this out??
Alina [70]

Answer:

i can see it

Step-by-step explanation:

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