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horrorfan [7]
3 years ago
11

Best buy sells iPhones amd Samsung. Thy have 81 phones in the store. If the number of iphones is twice the number of Samsung's h

ow many of each phone does the story carry?
Mathematics
1 answer:
seropon [69]3 years ago
5 0

Answer:

54  iphones ,27 samsungs

81/3=27

27x2=54

81-54=27

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Which Expression can be used to solve 3/5÷7/10A. 5/3*7/10B. 5/3*10/7C. 3/5*10/7D. 3/5*7/10
Harrizon [31]

Which Expression can be used to solve 3/5÷7/10



A. 5/3*7/10

B. 5/3*10/7

C. 3/5*10/7

D. 3/5*7/10​

This expression 3/5÷7/10 means

An option to solve the expression is inverting the fraction that is dividing and going to multiply

3/5 x 10/7 C.

________________-

Verification

A and D are the same

6 0
1 year ago
BRAINLIEST ANSWER RN!!!!!!! HELP ME PLZZ!!!!!
lara [203]
Find surface area
SA=2pir^2+2hpir

h=42
r=1.5

SA=2pi1.5^2+2(42)pi1.5
SA=4.5pi+126pi
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3 0
3 years ago
Please need help with this
kirill [66]
The best statement that describes the associations between variable X and variable Y is the first option, "no association."
6 0
3 years ago
A sheet of cardboard 12 inches square is used to make an open box by cutting out squares of equal size from the four corners and
GrogVix [38]

Answer:

x=6+3\sqrt{2} is the size of the square

Step-by-step explanation:

Let the side of the square cut from the cardboard be “x”

Size of the square base = 12 -2x, height of the box = x

Volume of square box = Area * height = (12-2x)^2 * x

Differentiating the above equation and equating it to zero, we get –  

d/dx ((12-2x)^2 * x)

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d/dx (144x + 4x^3 -48x^2) = 0

144+8x^2-96X= 0\\18 +X^2-12X = 0

On solving above equation, we get –  

x=6+3\sqrt{2}  \\ x=6-3\sqrt{2}

5 0
3 years ago
Find the value of the expression <br><br> (688 − c) · 222<br><br> for c = 684.
Luba_88 [7]

(688-684) x 222

You have to do what’s in the parentheses first because of PEMDAS

688-684=4

Then you have to multiply

4x222

=888

5 0
3 years ago
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