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Oduvanchick [21]
2 years ago
8

1) What is the volume of the container?

Mathematics
1 answer:
Sidana [21]2 years ago
8 0

Answer:

600in³

Step-by-step explanation:

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The answers to this question cousin
podryga [215]
If R is between Q and S then QR+RS=QS

given
QR=x+4
RS=3x-1
and QS=27

x+4+3x-1=27
combine like terms
4x+3=27
minus 3 both sides
4x=24
divide both sides by 4
x=6

sub back
QR=x+4
QR=6+4
QR=10

RS=3x-1
RS=3(6)-1
RS=18-1
RS=17

x=6
QR=10
RS=17
3 0
3 years ago
Suppose a research firm conducted a survey to determine the average amount of money steady smokers spend on cigarettes during a
olchik [2.2K]

Answer:

option (b) 0.0228

Step-by-step explanation:

Data provided in the question:

Sample size, n = 100

Sample mean, μ = $20

Standard deviation, s = $5

Confidence interval = between $19 and $21

Now,

Confidence interval = μ ± z\frac{s}{\sqrt n}

thus,

Upper limit of the Confidence interval = μ + z\frac{s}{\sqrt n}

or

$21 =  $20 + z\frac{5}{\sqrt{100}}

or

z = 2

Now,

P(z = 2) = 0.02275                       [From standard z vs p value table]

or

P(z = 2) ≈ 0.0228

Hence,

the correct answer is option (b) 0.0228

3 0
3 years ago
Simplify (3 - √7)(5 + √7)
MaRussiya [10]
You can use F.O.I.L. for this, which if you don't know stands for first outer inner last, so multiply the first in each parentheses, then the outer, then the inner, then the last. yours would be 3*5+3*√7+(-√7)*5+(-√7)*√7 => 15+3√7-5√7-7 => 8-2√7
Final answer:
8-2√7
Hope I could help :)
3 0
3 years ago
Read 2 more answers
Which expression is equivalent to 5(3 + 4k ) + 3(4 +k )?
shepuryov [24]

Answer:

C.

Step-by-step explanation:

Simplify the expression

5 0
3 years ago
Read 2 more answers
Help pls brain dead rn
polet [3.4K]

Answer:

she spends 50 hours with her baby and 30 hours on math

Step-by-step explanation:

80/2 = 40

Since baby needs to be 10 more you do 40+10 = 50

and 80 - 50 = 30

Hence the answer

at least i think

8 0
2 years ago
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