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docker41 [41]
3 years ago
15

What is the value of x in the following equation: 2=x+5 ?

Mathematics
2 answers:
natali 33 [55]3 years ago
6 0
Im pretty sure the value of x in this equation is -3 because -3 plus 5 would equal 2.
OverLord2011 [107]3 years ago
6 0
I think x=-3 2-5=-3 2=-3+5 hope this helps
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DA−2qA=B^3<br> Solve for A
a_sh-v [17]

Answer:

a=\frac{b^{3} }{d-2q}

Step-by-step explanation:

i think

8 0
3 years ago
Nathan had an infection, and his doctor wanted him to take penicillin. Because Nathan’s father and paternal grandfather were all
Art [367]
Nathan has an infection and he needs to be treated with penicillin
But there’s a 75% probability of him being allergic to penicillin
And to test if the skin reacts to penicillin, the test is 98% accuracy
So even if he has the allergy the test is only 98% accurate of identifying the allergy
Therefore we are asked to find the probability of both these events happening
Event 1 and event 2 both should happen then. When the ‘and’ function is used in probabilities then the probabilities of both events happening should be multiplied
Therefore probability that Nathan has the allergy and test predicts it is
= 75% x 98% = 0.735
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6 0
2 years ago
20 points!! Please Help!
Galina-37 [17]

Answer:

• x = 9

• y = 6√2

Step-by-step explanation:

The right triangles are all similar, so the ratios of hypotenuse to short side are the same:

27/x = x/3

x^2 = 81 . . . . . multiply by 3x

x = 9 . . . . . . . . take the square root

Then y can be found from the Pythagorean theorem:

x^2 = y^2 + 3^2

81 - 9 = y^2 = 72 . . . . . subtract 9

y = √72 = 6√2 . . . . . . .take the square root

The values of x and y are 9 and 6√2, respectively.

8 0
3 years ago
Read 2 more answers
3( 2x + 6) = -6 <br><br> 7th Grade Linear Equations
Tanya [424]

Answer:

X= -4

Step-by-step explanation:

6x + 18 = -6

6x= -24

x= -4

4 0
2 years ago
Some researchers have conjectured that stem-pitting disease in peach-tree seedlings might be controlled with weed and soil treat
babymother [125]

Answer:

1. b. 14.6 ± 7.38

2. b. 3.43

3. b. 0.01 < P-value < 0.05

4. b. There is sufficient evidence to reject the null hypothesis.

Step-by-step explanation:

The hypothesis test is used to test the null hypothesis against the alternative hypothesis. The p value of the test determines whether to accept or reject the null hypothesis. In the given scenario the p value is less than 0.05 so there is sufficient evidence against the null hypothesis in favor of alternative hypothesis.

5 0
3 years ago
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