2 years ago

Uh help me please lol

Mathematics

2 answers:

wel2 years ago

5 0

Answer:

say what you want

Step-by-step explanation:

Stolb23 [73]2 years ago

4 0

Answer:

10.5

Step-by-step explanation:

The surface area of the three triangles is 4.5, and the total surface area is 10.5.

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What is -3x^2-4x-4=0

ss7ja [257]

Answer:

<h2>no real solution</h2>

Step-by-step explanation:

$-3x^2-4x-4=0\qquad\text{change the signs}\\\\3x^2+4x+4=0\\\\\text{use the quadratic formula:}\\\\\text{for}\ ax^2+bx+c=0\\\\\text{if}\ b^2-4ac0,\ \text{then an equation has two solutions:}\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}$

$\text{We have}\ a=3,\ b=4,\ c=4.\\\\\text{Substitute:}\\\\b^2-4ac=4^2-4(3)(4)=16-48=-32$

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3 years ago

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Alex787 [66]

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3 years ago

Pls help ASAP!! Pleaseee now!!

kap26 [50]

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3 years ago

A copy machine makes 32 copies per minute how long does it take to make 152 copies?

Evgen [1.6K]

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It should take about 4.75 min.

Step-by-step explanation:

Hope this helps and could you mark me as the brainliest

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3 years ago

Use the discriminat to describe the roots of each equation. Then select the best description 16x^2+8x+1=0

astra-53 [7]

Answer:

Step-by-step explanation:

Discriminant= 8^2-4(16)(1)

7 0

3 years ago

Uh help me please lol​

Uh help me please lol