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Goryan [66]
3 years ago
8

Need help with these 2

Mathematics
2 answers:
luda_lava [24]3 years ago
4 0
19. 38x - 3y - 34 because 5(7x+3y-8) =!35x+15y-40 and 3(x-6y+2 = 3x -18y +6. Combine alike factors.

20. Yes it is factored correctly.
Arada [10]3 years ago
4 0

Answer:

19 is 38x - 3y - 34

20 would be yes

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How many 5/8's are in 1?
Lina20 [59]
There are 1.6 5/8's in 1
1.6 is the same as 8/5.

The are 8/5 5/8's in 1

Another way to solve this problem is:
Since we can set it up as:
1/\frac{5}{8}=8/5
We can also set the problem up as:
5/8*x=1

Then, we can apply the reciprocal rule:
a/b*b/a=1
5/8*8/5=1

The final answer is there are 8/5 5/8's in 1

5 0
4 years ago
Read 2 more answers
Please help quick it is almost due
ankoles [38]
D is correct
Give me brainliest!! ❤️
6 0
3 years ago
At a fast food restaurant, customers are asked if they want to “round up” their bill to the next highest        dollar and donat
jarptica [38.1K]

Answer:

(a) 0.1414

(b) 0.1010

Step-by-step explanation:

(a)

The density curve is rectangular in shape.

This implies that the distribution of donations is Uniform.

(b)

Compute the probability of donations at least 85 cents as follows:

P(X\geq 85)=\int\limits^{99}_{85} {\frac{1}{99-0} \, dx

                 =\frac{1}{99}\times [x]^{99}_{85}\\\\=\frac{99-85}{99}\\\\=0.1414\\\\

Thus, the proportion of donations that are at least 85 cents is 0.1414.

(b)

Compute the probability of donations between 30 and 40 cents as follows:

P(30\leq X\leq 40)=\int\limits^{40}_{30} {\frac{1}{99-0}} \, dx

                         =\frac{1}{99}\times [x]^{40}_{30}\\\\=\frac{40-30}{99}\\\\=0.1010

Thus, the probability of donations between 30 and 40 cents is 0.1010.

7 0
4 years ago
Which of the following statements provides the correct freezing and boiling points of water on the Celsius and Fahrenheit temper
dalvyx [7]

Answer: i need a pic

Step-by-step explanation:

6 0
3 years ago
Please help explain this to me I don't understand it.
Naddika [18.5K]
Add the 2s and the 3s together then subtract that by 7
6 0
4 years ago
Read 2 more answers
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