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Molodets [167]
3 years ago
13

Will says that in the number 8,184​, one 8 is 10 times as great as the other 8. Is he ​correct? Explain why or why not.

Mathematics
2 answers:
Xelga [282]3 years ago
8 0

Answer:

blahblahblah

Step-by-step explanation:

hi me

Vinil7 [7]3 years ago
4 0
No he is not correct .
Break apart the number 8,184
You will get
8000 + 100 + 80 + 4

The numbers we are comparing are 8000 and 80

80 x 10 = 800

The number we are looking for is 8000

This makes the claim that one 8 is 10 times greater false as it is in fact 100 times as great.

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Complete the equation of the line through (1, 4) and (2, 2).
Artemon [7]

Answer:

1,4 2,2 = to 2,8 4,4

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Calculate the calories lost when 85 g of water cools from 45 degrees Celsius to 23 degrees Celsius
Leto [7]

The amount of heat lost by the water is 1870 calories

Step-by-step explanation:

The amount of heat released by a substance is given by the equation

Q=mC\Delta T

where

Q is the amount of heat lost

m is the mass of the substance

C is the specific heat capacity of the substance

\Delta T is its change in temperature

In this problem, we have:

m = 85 g is the mass of water

C=1 cal /g^{\circ}C is the specific heat capacity of water

\Delta T = 23-45=-22^{\circ}C is the change in temperature of the water

Substituting, we find

Q=(85)(1)(-22)=-1870 cal

Learn more about heat:

brainly.com/question/3032746

brainly.com/question/4759369

#LearnwithBrainly

5 0
4 years ago
Plot the x- and y-intercepts to graph the equation.<br> y=-1/2x-3
Yakvenalex [24]

Answer:

Step-by-step explanation:

Given y=-1/2x-3, rewrite this as y = (-1/2)x - 3 for greater clarity.

x-intercept:  Let y = 0 and find x:  0 = (-1/2)x - 3, or

(1/2)x = 3, or x = 6.  Thus, (6, 0) is the x-intercept.

y-intercept:  Let x = 0 and find y.  Then (-1/2)(0) - 3 = y.  Thus, y = -3, and the y-intercept is (0, -3).

Plot these two intercepts and then draw a line connecting them.

Example:  To graph the y-intercept, start with your pencil point at the origin.  Move your pencil point 3 units down and plot a dark dot there.

6 0
3 years ago
(03.01 MC)Maria and Edwin have $23.00 each to spend at a book fair, where all students receive a 25% discount. They both want to
Vadim26 [7]
Both Maria and Edwin get the same price on the end.
$26.50*75%/100=$19.875
$19.875*10%/100+$19.875=$21.86
They are purchased copy of the book for $21.86 each.
Theay have $1.14 after purchasing both.
4 0
3 years ago
What rate of interest compounded annually is required to double an investment<br> in 18 ​years?
andreev551 [17]

Answer:

r=3.93\%

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=18\ years\\ P=x\\A=2x\\ r=?\\n=1  

substitute in the formula above

2x=x(1+\frac{r}{1})^{1*18}  

2=(1+r})^{18}  

Elevated both sides to 1/18

2^{\frac{1}{18}} =1+r

r=2^{\frac{1}{18}} -1

r=0.0393

convert to percentage

Multiply by 100

r=3.93\%

3 0
3 years ago
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