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2 years ago

What would be the second step in this problem? (3 + 4) 9 + 3 =

Mathematics

2 answers:

VLD [36.1K]2 years ago

8 0

$\huge\text{Hey there!}$

$\large\boxed{\rm{(3 + 4)(9 + 3)}}\\\\\large\boxed{\rm{3 + 4 = \boxed{\bf 7}}}\\\\\large\boxed{= \rm{\bold{7}(9 + 3)}}\\\\\large\boxed{\rm{9 + 3 = \boxed{\bf 12}}}\\\\\large\boxed{\rm{= 7(\bold{12})}}\\\\\large\boxed{\rm{= \bf 84}}\\\\\\\\\huge\boxed{\textsf{Therefore, your answer is: \boxed{\textsf{84}}}}\huge\checkmark$

$\large\textsf{Your answer: To sum it all the SECOND STEP is to \bf solve the}\\\rm{\bf 2^{nd}}\large\textsf{ \bf set outside of the parentheses}$

$\large\boxed{\textsf{Good luck on your assignment and enjoy your {day!}}}$

~ $\frak{Amphitrite1040:)}$

trapecia [35]2 years ago

7 0

Step-by-step explanation:

(3 + 4) 9 + 3 = (7)9 +3

= 63 + 3

= 66

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I've got another one of these

pantera1 [17]

Answer:

Angle 2 = 45

Step-by-step explanation:

"The Alternate Interior Angles Theorem states that, when two parallel lines are cut by a transversal , the resulting alternate interior angles are congruent."

This means that angle 1 and angle 3 are equal. This can be shown by drawing a mirrored F.

Since angles on a straight line add up to 180.

Angle 2 + Angle 3 = 180

Angle 2 + 135 = 180

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Angle 2 = 45

3 0

3 years ago

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katen-ka-za [31]

Answer:

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Step-by-step explanation:

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3 years ago

Does the amount of hazardous material absorbed by the bodies of hazardous waste workers depend on gender? The level of lead in t

Eva8 [605]

Answer:

Correct option is (A).

Step-by-step explanation:

A two-sample t-test can be performed to determine whether the amount of hazardous material absorbed by the bodies of hazardous waste workers depend on gender or not.

Th hypothesis will be:

H₀: The amount absorbed by men is same as the amount absorbed by women, i.e. μ₁ = μ₂.

Hₐ: The amount absorbed by men is greater than the amount absorbed by women, i.e. μ₁ > μ₂.

The test statistic used is:

$t=\frac{\bar x_{1}-\bar x_{2}-(\mu_{1}-\mu_{2})}{\sqrt{\frac{s_{1}^{2}}{n_{1}}+\frac{s_{2}^{2}}{n_{2}}}}$

The decision rule to reject the null hypothesis based on the p-value is:

If the p-value of the test is less than the significance level α then the null hypothesis will be rejected. And if the p-value of the test is greater than the significance level α then the null hypothesis will not be rejected.

The p-value of the test is,

p - value = 0.0032

The commonly used significance levels are:

α = 0.01, 0.05 and 0.10.

The p-value of this test is less than all these α's.

Thus, the null hypothesis will be rejected.

Conclusion:

As the null hypothesis is rejected, it can be concluded that the amount of leas absorbed by men is significantly greater than the amount absorbed by women.

Thus, the correct option is (A).

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3 years ago

What’s the circumference of a circle with radius of 5 inches? Use 3.14 for pie

Sav [38]

Refer to attachment for your answer