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Ymorist [56]
3 years ago
7

I need help on this problem!!! please help!!! ​

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
7 0
(0.1x-22)+(0.3x-54)=90

First combine like terms

0.4x - 76 = 90

Now add 76 on both sides

0.4x = 166

Divide by 0.4 on each side to isolate x

X= 415
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Really need help..... number 14:)
Soloha48 [4]
Without the actually predicted values in comparison to the real values it is only possible to give a very likely answer based on their scale:
a) is 25 million off, which sounds bad but when compared to a few billion in population it's not even 1%
b)3 billion is more than half the world population as error: very unlikely
c)154 billion, unlikely that a prediction is off by a factor of ~30
d)same as c

so a) is most likely the solution, but in theory the predictions could be arbitrarily bad (things like negative population, or extreme growths)
4 0
3 years ago
The library made a table to track the number of fiction and nonfiction books checked out for 6 days.
coldgirl [10]

Answer:

18 fiction = 3

12 non fiction= 2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
HELPPP MEEEE hurrryyyy
Zielflug [23.3K]

Answer: 1. B 10(15  12 + 8) = 350

2. C

Step-by-step explanation:

8 0
2 years ago
BCD and EFG are shown below. Which of the following statements is true? Look at picture.
ELEN [110]

Answer:

  (b)  ∠EGF ≅ ∠BDC

Step-by-step explanation:

Angles D and G are both marked with double arcs, indicating they are congruent:

  ∠EGF ≅ ∠BDC

__

<em>Other choices</em>:

BD is the short segment between the marked angles. It has no "decoration." EF is the longer segment with a single hash mark decoration. These are not corresponding parts, so are <em>not congruent</em>. There is no right angle in these triangles, so the <em>Pythagorean theorem is not applicable</em>.

__

CD is the longest side, with no decoration. EF is the middle-length side with a single hash mark decoration. These are <em>not corresponding sides</em>.

8 0
2 years ago
Read 2 more answers
a building in san francisco is shaped like a square pyramid it has a slant height og 856.1 feet and each side of its base is 145
Reptile [31]
We know that

for <span>a Square Pyramid
</span>[lateral area]=4*[a*s/2]--------> 2aS
where
a  is the length side of the square base
S is the <span>slant height
</span>a=145 ft
S=856.1 ft
[lateral area]=2*145*856.1---------> 248269 ft²

the answer is 248269 ft²
3 0
3 years ago
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