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4 years ago

100 POINTS AND BRAINLIEST!!! (3√2+4)(√2−1)=_____+√2

Mathematics

1 answer:

Elanso [62]4 years ago

4 0

Answer:

The left side

3.41421356

does not equal to the right side

1.41421356

, which means that the given statement is false.

False

Step-by-step explanation:

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Kelsey can buy 2 pounds of apples for 7$. Write an equation to represent the cost, c, for a, pounds of apples.

zmey [24]

$\huge\boxed{c=3.5a}$

First, we need to find how much a single pound of apples costs.

Do this by dividing.

$\frac{\$7}{2\ \text{lbs.}}\div\frac{2}{2}=\frac{\$(7\div 2)}{(2\div 2)\ \text{lbs.}} = \frac{\boxed{\$3.50}}{1\ \text{lb.}}$

Now, write an equation.

$\large\boxed{c=3.5a}$

This represents that the cost equals 3.5 times the number of apples.

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3 years ago

Read 2 more answers

Brainliest if correct

nydimaria [60]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Patty is 50 mi. due north of Todd. Emma is due east of Todd. Ifa line were drawn from Emma

zubka84 [21]

Answer:

Correct choice is D

Step-by-step explanation:

Consider right triangle PTE (Patty, Todd, Emma). In thistriangle PT=50 mi - the distanse between Patty and Todd, the distance between Patty and Emma PE and the distance between Emma and Todd ET are unknown. The angle PET has the measure of 40°. Then

$\sin 40^{\circ}=\dfrac{PT}{PE}\Rightarrow PE=\dfrac{PT}{\sin 40^{\circ}}=\dfrac{50}{\sin 40^{\circ}}\approx 78\ mi.$
$\tan 40^{\circ}=\dfrac{PT}{ET}\Rightarrow ET=\dfrac{PT}{\tan 40^{\circ}}=\dfrac{50}{\tan 40^{\circ}}\approx 60\ mi.$

3 0

4 years ago

HELP! PLZ

Zinaida [17]

9514 1404 393

Answer:

c = 5

Step-by-step explanation:

The graph of

f(x) = 3x² -5x -7

is shifted 2 units to the right by the transformation ...

g(x) = f(x -2)

g(x) = 3(x -2)² -5(x -2) -7

g(x) = 3(x² -4x +4) -5x +10 -7

g(x) = 3x² -17x +15

When this is written as a monic polynomial, it is

g(x) = x² -17/3x +5

The value of 'c' is 5.

4 0

3 years ago

if the sum of 2\3 and four time a number is equal to 5/6 subtracted from five times the number. find the answer

Alex17521 [72]

We conclude that the solution to the linear equation is x = 1/24.

<h3>How to find the number?</h3>

Let's define x as the number.

Now we want to write:

"the sum of 2/3 and for times a number...."

That can be written with the equation:

2/3 + 4*x

And we also know that:

"the sum of 2/3 and for times a number is equal to 5/6"

Then we can complete the linear equation:

2/3 + 4*x = 5/6

Now we need to solve it for x:

2/3 + 4x = 5/6

4x = 5/6 - 2/3

4x = 5/6 - 4/6

4x = 1/6

x = (1/4)*(1/6) = 1/24

x = 1/24

We conclude that the solution to the linear equation is x = 1/24.

If you want to learn more about linear equations:

brainly.com/question/1884491

#SPJ1

8 0

2 years ago