3 years ago

2x - 1 = 0 is a quadratic equation. True False

Mathematics

2 answers:

harina [27]3 years ago

6 0

I believe the answer is false

Hope this helps

alukav5142 [94]3 years ago

5 0

The answer is false. Hope this helps.

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Kay [80]

$- (4x - 15) \geqslant - 9(3 + x) \\ - 4x + 15 \geqslant - 27 - 9x \\ - 4x + 9x \geqslant - 27 - 15 \\ 5x \geqslant - 42 \\ x \geqslant - 8 \dfrac{2}{5}$

$21 + x > 2( - 2 - 5x) + 6x \\ 21 + x > - 4 - 10x + 6x \\ x + 10x - 6x > - 4 - 21 \\ 5x > - 25 \\ x > - 5$

Hope this helps. - M

5 0

3 years ago

Katy buys 4 DVDs every 2 weeks. How many DVDs will she buy in 14 weeks?

Lena [83]

Answer:

Step-by-step explanation:

Every 2 weeks 4 DVDs are purchased, so you have to multiply 14 times two, or 7 by 4. And the answer you get either way is 28.

4 0

3 years ago

Need help in less than 5 minutes brainliest to the first/most helpful answer!! Need it speedy!!!!

Sonbull [250]

Answer:

1.) True

2.) False

3.) True

4.) True

6 0

2 years ago

A salsa recipe uses green pepper, onion, and tomato in the extended ratio 2:3:7. How many cups of onion are needed to make 36 cu

Readme [11.4K]

2:3:7...added = 12

green pepper : 2/12(36)....1/6(36) = 6 cups
onion : 3/12(36)....1/4(36) = 9 cups <==
tomato : 7/12(36) = 21 cups

6 0

3 years ago

Read 2 more answers

Andre is writing a paper for science class. He can type 30 words per minute.

alisha [4.7K]

Answer:

30/1, 30:1, 30 to 1

Step-by-step explanation:

6 0

3 years ago