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Zina [86]
3 years ago
13

56 ×54 (5×6)÷ equals​

Mathematics
1 answer:
Maurinko [17]3 years ago
4 0

Answer: 90,720

Step-by-step explanation: 56*54=3,024

5*6= 30

3,024*30=90,720

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Express the angle in radian measure. 200°
Andrew [12]
Pi radians = 180 degrees
\frac{200}{180}\times\pi=3.491\ radians=200\ degrees
The answer is: 3.491 radians to 3 dp.
7 0
3 years ago
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2+x=15-7/8x how do you solve this?
uranmaximum [27]

Answer:2+x=15-7/8x

We move all terms to the left:

2+x-(15-7/8x)=0

Domain of the equation: 8x)!=0

x!=0/1

x!=0

x∈R

We add all the numbers together, and all the variables

x-(-7/8x+15)+2=0

We get rid of parentheses

x+7/8x-15+2=0

We multiply all the terms by the denominator

x*8x-15*8x+2*8x+7=0

Wy multiply elements

8x^2-120x+16x+7=0

We add all the numbers together, and all the variables

8x^2-104x+7=0

a = 8; b = -104; c = +7;

Δ = b2-4ac

Δ = -1042-4·8·7

Δ = 10592

The delta value is higher than zero, so the equation has two solutions

We use following formulas to calculate our solutions:

x1=−b−Δ√2ax2=−b+Δ√2a

The end solution:

Δ−−√=10592−−−−−√=16∗662−−−−−−−√=16−−√∗662−−−√=4662−−−√

x1=−b−Δ√2a=−(−104)−4662√2∗8=104−4662√16

x2=−b+Δ√2a=−(−104)+4662√2∗8=104+4662√16

Step-by-step explanation:

5 0
3 years ago
Calculate the answer to the appropriate number of significant figures. (do not convert to scientific notation) 6.47 x 64.5
telo118 [61]

Answer:

6.47 \times 64.5 \\  = 417.315

4 0
3 years ago
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George Kittle was given 300 protein bars. He eats 4 of them every day. Write an equation that represents the situation if he has
nikklg [1K]

Answer:

Part 1) The linear equation is y=-4x+300

Part 2) if he has 90 protein bars left, then 52.5 days have passed

Step-by-step explanation:

we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

y is the number of protein bars left

x is the number of days

m is the slope or unit rate

b is the y-intercept or initial value

In this problem we have

The slope is equal to

m=-4\ \frac{bars}{day} ----> is negative because is a decreasing function

b=300\ protein\ bars

substitute

y=-4x+300  ---> linear equation that represent this situation

If he has 90 protein bars left

so

For y=90

substitute in the linear equation and solve for x

90=-4x+300\\4x=300-90\\4x=210\\x=52.5\ days

therefore

if he has 90 protein bars left, then 52.5 days have passed

3 0
3 years ago
Please simplify.....<br> Attached
Kazeer [188]

Answer:

your answer should be...

(B.) -18

Hope this helps!

7 0
3 years ago
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