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1 year ago

8

Help me out with this lol

1 answer:

babymother [125]1 year ago

3 0

Answer:

C ==> m<5=135 degrees

Step-by-step explanation:

Angles 1 and 5 are corresponding angles, so they're equals. Corresponding angles form from two or more parallel line intersected by a transversal.

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Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring:

andre [41]

The part of the quadratic formula that dictates whether the function is factorable or not is B. b^2 - 4ac. This determines the number of real, imaginary, negative and positive roots.
In the equation <span>2x^2 + 7x + 3,
we use the quadratic formula
x = -b +- sqrt (b2 -4ac) /2a = -7 +- </span><span>sqrt (49 -24) /4
the answers are x1 =-0.5 and x2 = -3.</span>

4 0

2 years ago

Read 2 more answers

If a=2b^3 and b= -1/2c ^-2,express a in terms of c.

ElenaW [278]

Answer:

Part 1) $a=-\frac{1}{4c^6}$

Part 2) $a=-\frac{1}{4c^{-6}}$

Step-by-step explanation:

Part 1) we have

$a=2b^{3}$ ----> equation A

$b=-\frac{1}{2}c^{-2}$ ----> equation B

substitute equation B in equation A

$a=2(-\frac{1}{2}c^{-2})^{3}$

Applying property of exponents

$(x^{m})^{n}=x^{m*n}$

$x^{-m} =\frac{1}{x^{m}}$

$a=2(-\frac{1}{2}c^{-2})^{3}=2(-\frac{1}{2})^3(c^{-2})^{3}=2(-\frac{1}{8})(c^{-6})=-\frac{1}{4c^6}$

therefore

$a=-\frac{1}{4c^6}$

Part 2) we have

$a=2b^{3}$ ----> equation A

$b=-\frac{1}{2c^{-2}}=-\frac{c^{2}}{2}$ ----> equation B

substitute equation B in equation A

$a=2(-\frac{c^{2}}{2})^{3}$

Applying property of exponents

$(x^{m})^{n}=x^{m*n}$

$x^{-m} =\frac{1}{x^{m}}$

$a=2(-\frac{c^{2}}{2})^{3}=2(-\frac{c^{6}}{8})$

simplify

$a=-\frac{c^{6}}{4}$

therefore

$a=-\frac{1}{4c^{-6}}$

6 0

3 years ago

Solving by factoring

puteri [66]

Answer:

3

Step-by-step explanation:

6 0

3 years ago

−15(x−4)=−2<br><br> Hurry! Brainliest if right!

devlian [24]

Step-by-step explanation:

The answer is 62/15.

I can't explain it bc I'm taking a test rn but still-

6 0

2 years ago

Read 2 more answers

If there are 2 girls per 3 boys What is<br> the ratio of girls to Boys

Phantasy [73]

Answer:

2:3

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3 0

3 years ago