Please help Ik taking the map staar

Mathematics

1 answer:

krok68 [10]2 years ago

4 0

Answer:

I think it's d

Step-by-step explanation: Because they have equal sides and length

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a farmer has enough food to feed 28 animals for 5 days how long would the food last ifthere are 7 more animals

Dvinal [7]

Oof it is all of the above ok -.-

6 0

3 years ago

Simplify completely: the quantity 8 times x to the third power plus 6 times x to the 2nd power minus 4 times x all over negative

True [87]

The answer is <span>a.−4x^2 − 3x + 2
</span>
the quantity 8 times x to the third power plus 6 times x to the 2nd power minus 4 times x all over negative 2 times x is: $\frac{8 x^{3}+6 x^{2} -4x }{-2x}$

$\frac{8 x^{3}+6 x^{2} -4x }{-2x} = -\frac{8 x^{3}+6 x^{2} -4x }{2x}=- \frac{2x*4 x^{2} +2x*3x-2x*2}{2x} =- \frac{2x(4x^{2} +3x-2)}{2x} = \\ \\ =-(4x^{2} +3x-2)=-4x^{2} -3x+2$

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3 years ago

Food allergies affect an estimated 7% of children under age 5 in the US. What is the probability that in a kindergarden class of

bezimeni [28]

Answer:

Probability of atleast one of 12 student has food allergies ≈ 0.58 ( approx)

Step-by-step explanation:

Given: Probability of a children under age 5 has food allergies = 7%

= $\frac{7}{100}$

To find : Probability of atleast one of 12 student has food allergies

Probability of a chindren under age 5 does not have food allergies = $1-\frac{7}{100}$

⇒ prob = $\frac{93}{100}$

now we find Probability of atleast one of 12 student has food allergies this means we have to find prob of 1 student, 2 student, 3 student, till 12 student have allergy out of 12 student of class then add all prob.

But instead of finding all these probability we find probability of student having no allergy.i.e., 0 student then subtract it from 1(total probability)

Probability of 0 student having allergy out of 12 student = $(\frac{93}{100})^{12}$