3 years ago

Subtracing 3x2+4x-5 from 7x2-3x from this polynomial the difference is

Mathematics

1 answer:

kolezko [41]3 years ago

4 0

7x^2-3x - (3x^2 +4x -5) multiply negative one across the entire second term

7x^2 - 3x -3x^2 -4x +5

4x^2 -7x +5

You might be interested in

Find the tangent of each acute angle in the triangle below. Select all that apply.

Lena [83]

Answer: 8/15, 15/8

Step-by-step explanation:

By the Pythagorean theorem, the length of the unknown side is

$\sqrt{17^{2}-8^{2}}=15$

So, the tangents of the acute angles are $\boxed{\frac{8}{15}, \frac{15}{8}}$

7 0

2 years ago

What is the right way to use substitution method?

Kazeer [188]

Answer:

Step-by-step explanation:

Substitution method can be applied in four steps. Step 1: Solve one of the equations for either x = or y = . Step 2: Substitute the solution from step 1 into the other equation. Step 3: Solve this new equation Happy too help!

7 0

3 years ago

Is the triangle in the picture a right angle triangle? Explain how you know

Nat2105 [25]

Answer:

Step-by-step explanation:

4^2+6^2=8^2?

16+36=64?

52=64?

No.

5 0

3 years ago

In a class of 55 students, 15 students like Math but not English and 18 students liked English but not Math. If 5 students did n

Viefleur [7K]

See the venn-diagram in the picture.

Hope this helps! Please consider marking me the Brainliest, it’s not necessary, but very much appreciated. Have a great day!

6 0

3 years ago

What is the measurement of <1?

xenn [34]

Answer:

angle 1 = 135 degrees

Step-by-step explanation:

3 0

3 years ago