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Paraphin [41]
3 years ago
14

y=-2x+4 Complete the missing value in the solution to the equation. (_, -2) NO work SHOWN JUST GET IT RIGHT QUICK!!!

Mathematics
1 answer:
Doss [256]3 years ago
6 0

Answer:

i believe the missing value is (3,-2)

Step-by-step explanation:

plz give me brainlyest

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Samantha ran 5 miles each day for seven days. Mariska ran 7 miles each day for five days. Did the girls run the same distance?
rjkz [21]
Yes.
5miles x 7 = 35 miles
7miles x 5 = 35 miles
4 0
4 years ago
baye's theorem certain test for cholera gives 5% false positives, and 12% false negatives. If the test gives correct results 93%
jekas [21]

Answer:

The percentage of people having cholera is 89.19%.

Step-by-step explanation:

According to the Bayes' theorem the total probability of <em>A</em> is:

P(A)=P(A|B)P(B)+P(A|B^{c})P(B^{c})

Let <em>X</em> = a person has chorea and <em>Y</em> = the test is positive.

Given:

P(X^{c}|Y)=0.05\\P(X|Y^{c})=0.12\\P(Y)=0.93

The value of P(X|Y) is:

P(X|Y)=1-P(X^{c}|Y)=1-0.05=0.95

Compute the value of P (X) as follows:

P(X)=P(X|Y)P(Y)+P(X|Y^{c})P(Y^{c})\\=(0.95\times0.93)+(0.12\times(1-0.93))\\=0.8835+0.0084\\=0.8919

The percentage of people suffering form cholera is, 0.8919 × 100 = 89.19%.

Thus, the percentage of people having cholera is 89.19%.

3 0
3 years ago
It took Sharon 4 hours to drive to her grandmother's house. Her grandmother lives 140 miles from Sharon.
Vladimir [108]

Answer:

You're right its B or 35

Step-by-step explanation:

Just divide 140 by 4 u get 35

3 0
3 years ago
Read 2 more answers
What is the product of –24 and 35?
beks73 [17]

Answer:

-840

Step-by-step explanation:

"Product" means to multiply, so you multiply -24 by 35. Since -24 has a negative, negative times a positive will equal a negative number.

(Negative times negative is positive.)

(Negative times positive is negative.)

(Positive times positive is obviously positive.)

Using these simple rules, we can do this:

Simply multiply -24 by 35, or you can multiply 24 by 35 which is 840, but DON'T forget to put a negative symbol!

Hope this helps! Let me know if there is anything else.

7 0
3 years ago
Read 2 more answers
Someone please help me with this question asap!
Alexeev081 [22]

Answer:

23.5 in

Step-by-step explanation:

To find the length of HJ in triangle GHJ, create <u>three equations</u> using the given information, then solve simultaneously.

<u>Equation 1</u>

HJ is two inches longer than GH:

⇒ HJ = GH + 2

<u>Equation 2</u>

GJ is 17 inches shorter than the sum of HJ and GH:

⇒ GJ + 17 = HJ + GH

<u>Equation 3</u>

The perimeter of ΔGHJ is 73 inches:

⇒ HJ + GH + GJ = 73

<u>Substitute</u> Equation 1 into <u>Equation 2</u> and isolate GJ:

⇒ GJ + 17 = GH + 2 + GH

⇒ GJ + 17 = 2GH + 2

⇒ GJ = 2GH - 15

<u>Substitute</u> Equation 1 into <u>Equation 3</u> and isolate GJ:

⇒ GH + 2 + GH + GJ = 73

⇒ 2GH + GJ = 71

⇒ GJ = 71 - 2GH

<u>Equate</u> the two equations where GJ is the subject and <u>solve for GH</u>:

⇒ 2GH - 15 = 71 - 2GH

⇒ 4GH = 86

⇒ GH = 21.5

<u>Substitute</u> the found value of GH into <u>Equation 1</u> and solve for HJ:

⇒ HJ = 21.5 + 2

⇒ HJ = 23.5

7 0
2 years ago
Read 2 more answers
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