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Yanka [14]
2 years ago
15

Sarah says that 19 divided by. 9 equals 9 divided by 4 because both are 2r1 show here mistake using decimal division. How do I f

ind out how she’s wrong?
Mathematics
1 answer:
IgorLugansk [536]2 years ago
5 0
9*4=36 and 19/9 isn’t the same
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A 5-kilogram bag of cement costs $18.15. What is the unit price?
Gnom [1K]

Answer:3.63

Step-by-step explanation:because if we divide 18.15 by 5 is equal 3.63.

3 0
2 years ago
this week Jamie spent a total of 100 minutes studying this total was more than four times the amount of minutes she studied last
Alenkasestr [34]
4x=100
×=100÷4
x= 25 minutes
6 0
3 years ago
Judy has a sugar cone and wants to know how many cubic inches of ice cream it will hold if it is filled completely to the top of
stepladder [879]
The answer is 10.6 cubic inches.

The formula for a volume of the cone is V = 1/3 π r² h,
where:
V - the volume of the cone,
<span>r - radius of the cone base,
</span>h - height of the cone.

It is given:
h = 4.5 in
r = 1.5 in.
π = 3.14

If:
<span>V = 1/3 π r² h,
</span>Then:
V = 1/3 × 3.14 × (1.5 in)² × 4.5 in
V = 1/3 × 3.14 × 2.25 × 4.5 in³
V = 10.6 in³

Therefore, Judy's sugar cone can hold 10.6 <span> in³.</span>
8 0
3 years ago
Read 2 more answers
Solve 81^x = 27^^^x + 2.<br><br> A. x = 1<br> B. x = 2<br> C. x = 5<br> D. x = 6
Margarita [4]

Answer:

Step-by-step explanation:

81^x=27^(x+2)

3^4=81 and 3^3=27

3^4x=3^(3(x+2))

exponents are the same so we just take those

4x=3x+6

x=6

5 0
3 years ago
Read 2 more answers
HELP what's the distance for this question? ​
jeyben [28]

Answer:

Distance = 38.57ft

Step-by-step explanation:

Given

Base = 60

\theta = 50

Required

The distance between the top and John

The distance is calculated using:

sin\alpha =  \frac{Distance}{Base}

Where

\alpha = 90 - \theta --- the angle between the diagonal line and the vertical line

\alpha = 90 - 50

\alpha = 40

So, we have:

Sin(40) = \frac{Distance}{60}

Distance = 60 * sin(40)

Distance = 60 * 0.6428

Distance = 38.57ft

Distance = 986 * tan(38)

Distance = 986 * 0.7812

Distance = 770ft<em> --- approximated</em>

5 0
3 years ago
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