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2 years ago

Please help me with these problems if you can :>

Mathematics

2 answers:

IrinaK [193]2 years ago

8 0

Answer:

its not letting me look

Step-by-step explanation:

amid [387]2 years ago

6 0

1. D-Triangle
2. C-Trapezoid

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If x and y are real numbers such that x > 0 and y < 0, then

klemol [59]

Answer:

Step-by-step explanation:

The third one

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2 years ago

Please help i've been stuck on these for a bit now!

lisov135 [29]

Answer:

Q6. D

Q8. A

Step-by-step explanation:

Q6. In 40 trials, he flipped '2 heads and 1 tail' 16 times.

For 2 heads, probability= 16/40= 4/10

For 120 trials, number of times= 4/10 × 120= 48

Q8.

$125x + 200 \geqslant 1200 \\ 125x \geqslant 1200 - 200 \\ 125x \geqslant 1000 \\ x \geqslant 1000 \div 125 \\ x \geqslant 8$

Answer is A because the inequality shows that x is equal or greater than 8 so the dot at 8 has to be coloured.

Note that we do not change the inequality sign unless we are dividing the whole thing by -1.

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3 years ago

-6 - 3(2x + 4) = 18what’s the answer

Brrunno [24]

Answer:

$x=-6$

Step-by-step explanation:

$-6-3\left(2x+4\right)=18$

Add 6 to both sides:

$-6-3\left(2x+4\right)+6=18+6$

$-3\left(2x+4\right)=24$

Divide both sides by -3:

$\frac{-3\left(2x+4\right)}{-3}=\frac{24}{-3}$

$2x+4=-8$

Subtract 4 from both sides:

$2x+4-4=-8-4$

$2x=-12$

Divide both sides by 2:

$\frac{2x}{2}=\frac{-12}{2}$

$x=-6$

7 0

3 years ago

Need help ASAP questions below

BARSIC [14]

Can you rotate the picture or take another one? This one is really hard to read

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3 years ago

Help me please I’ll give Brainly

artcher [175]

Answer:

(-5, -2), and (0, -2)

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2 years ago