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Anastaziya [24]

3 years ago

14

In a class of 6, there are 2 students who forgot their lunch.

1 answer:

lukranit [14]3 years ago

4 0

Answer:

1/8

Step-by-step explanation:

AB,AA,BB,BB,BB,BB,BB,BB,

*A IS THE students that forgot thier lunch

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Convert the density 1.98 g/mL to the unit kg/m3.

Lady_Fox [76]

Call it 2 for convenience:

2 g/ml * ml/cm3 * 1kg/E3 g *(E2 cm/m)^3
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3 years ago

Which of the following is a horizontal line?

maks197457 [2]

Answer:

3) y=4

Step-by-step explanation:

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3 years ago

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Gracie drove 280 miles in 2.5 hours. How long will it take her to drive 710 miles at that same speed?

Ivanshal [37]

Answer:

Step-by-step explanation:

710 miles × (2.5 hours)/(280 miles) ≅ 6.3 hours

7 0

3 years ago

Felix earns $450 per week plus 3% of sales over $4800. Felix’s sales are $53000. How much does Felix earn?

Leni [432]

1. Felix’s sales are $53000. He has 3% of sales over $4800, then he has 3% of sales $(53000-4800)=$48200.

Now

$48200 -- 100%

$x -- 3%.

Write a proportion:

$\dfrac{48200}{x}=\dfrac{100}{3},\\ \\x=\dfrac{48200\cdot 3}{100}=482\cdot 3=1446.$

Thus, he additionally gets $1446.

2. If he earns $450 per week and earns $1446 of sales, then Felix earns

$450+$1446=$1896.

Answer: correct choice is A

5 0

3 years ago

A solution with a pH of 11 has a [H+] of:<br> 11<br> 1 x 10-3<br> 1 x 10-11<br> 1 x 1011<br> 1 x 103

serious [3.7K]

A solution with a pH of 11 has a [H+] of $1.0\times 10^{-11}$

Option B is correct option.

Step-by-step explanation:

A solution with a pH of 11 has a [H+] of= ?

pH=?

Concentration of H+ [H+]= ?

Formula used: $pH=-log[H+]$

Putting values and finding [H+]

$pH=-log[H+]\\\,[H+]\,=10^{-pH}\\\,[H+]\,=10^{-11}\\\,[H+]\,=1.0\times 10^{-11}$

So, A solution with a pH of 11 has a [H+] of $1.0\times 10^{-11}$

Option B is correct option.

4 0

4 years ago