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Alenkasestr [34]
3 years ago
8

|x|=7 what is the answer to this equation​

Mathematics
2 answers:
wolverine [178]3 years ago
8 0

Answer:

x=7, or -7

Step-by-step explanation:

brilliants [131]3 years ago
3 0

Answer: -7

Step-by-step explanation: It is saying which numbers absolute value is 7. The absolute value is where the number turns positive, if its positive it stays positive if its negative it turns positive. Absolute value is saying how far is it from 0. -7 is 7 far from 0.

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When multiplying numbers in scientific notation you blank the coefficients and substract the exponents?
34kurt
For the sake of example, let's multiply the two numbers 2.3 \times 10^5 and 3.5 \times 10^7 together. Altogether, we have:

2.3\times10^5\times3.5\times10^7

Rearranging the expression, we can group the exponents and coefficients together:

2.3\times3.5\times10^5\times10^7

Multiplying each out, we notice that since 10^5 and 10^7 have the same base (10), multiplying them has the effect of adding their exponents, which leaves us with:

2.3\times3.5\times10^{5+7}=8.05\times10^{12}

The takeaway here is that multiplying two numbers in scientific notation together has the effect of multiplying its coefficients and <em>adding</em> its exponents.
8 0
3 years ago
CAN someone help me PLZZZZ<br><br>Find the rate change of rom 2008 to 2016?
anyanavicka [17]

Answer:

22.25

Step-by-step explanation:

1302-1124/2016-2008

6 0
3 years ago
Dr. Howser recently purchased two new fish tanks (Tank A and Tank B) to place in the waiting area of his office. Each fish tank
Masteriza [31]

Answer/Step-by-step explanation:

How many total fish is Dr. Howser planning on buying?

BOTH tanks hold 120 gallons

Tank A :

3 every 10 --> 120/10 ---> 12

So multiply 3 and 12 ----> 36

36 fishes in tank A

Tank B:

6 every 40 -----> 120/40 ----> 3

So multiply 6 by 3 ----> 18

18 fishes are held in tank B

Add them together:

18 + 36 ----> 54

ANSWER : Dr. Howser is planing on purchesing 54  fish all together.

What will be the ratio of the number of small fish he buys to the number of large fish that he buys

Small --->  36 fish

Large ---> 18 fish  

Small : Large  ----> 36:18

ANSWER: 36:18

if you need it siplified it would be 2:1

4 0
2 years ago
What is the area of the composite figure? (6π 4) cm2 (6π 16) cm2 (12π 4) cm2 (12π 16) cm2
raketka [301]

The area of the considered composite figure is given by: Option: 6π + 16 cm²

<h3>How to calculate the surface area of a composite figure?</h3>

Surface area are derived for some standard shapes like circle, triangle, parallelogram, rectangle, trapezoid, etc.

When some shape comes which isn't standard figure, then we find its area by slicing it (virtually, like by drawing lines) in standard shapes. Then we calculate those composing shapes' area and sum them all.

Thus, we have:

\text{Area of composite figure} = \sum (\text{Area of composing figures})

That ∑ sign shows "sum"

For this case, the missing image is attached below.

As visible, the area of the figure = Sum of area of those 3 semi circles + Area of that square(its square because it has 4 equal sides in which adjacent sides are perpendicular) in between.

The side of the square is of 2+2=4 cm( as half of its side is 2 cm), thus, Area of that square = 4² = 16 cm²

All those 3 semicircles has radius = 2 cm

Since radius is same, so area of those 3 semicircle is same = \dfrac{\pi r^2}{2} = \dfrac{\pi (2)^2}{2} = 2 \pi\: \rm cm^2

Thus, we get:

Area of the composite figure = 2 \pi +2 \pi +2 \pi  + 16 \: \rm cm^2 = 6 \pi+ 16 \: \rm cm^2

Learn more about area of a composite figure here:

brainly.com/question/10254615

6 0
2 years ago
Enter an inequality to represent this situation: Nina wants to take at least $33 to the movies. Use d as your variable. The ineq
Svetllana [295]

Answer:

d \ge 33

Step-by-step explanation:

Given

Amount = 33

Required

Represent as inequality

At least means \ge i.e. greater than or equal to.

So, the inequality is:

d \ge Amount

Substitute Amount = 33

d \ge 33

6 0
3 years ago
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