2 years ago

PLease help meeeeeeeee!

Mathematics

2 answers:

pentagon [3]2 years ago

5 0

Answer: I don't know

Step-by-step explanation:

ValentinkaMS [17]2 years ago

4 0

The photo is not clear.......

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Write the standerd form for thirty thousand,four hundred five and three thousandths.

sveta [45]

30 Thousand: 30,000
4 Hundred and Five: 405
3 Thousandths: 3/1000
Final Answer; 30,405 $\frac{3}{1000}$

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3 years ago

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What is the Sum of 5 times z and 4 divided by two is 7

8_murik_8 [283]

Sum of 5 times z and 4 divided by two is 7.

$\frac{5z+4}{2} = 7$

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3 years ago

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Solve 6x + c = k for x. A. 6(k-c) B. k+c/6 C. k-c/6 D. 6(k+c)

Likurg_2 [28]

Answer:

x=k/6-c/6

hope this helps

Step-by-step explanation:

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3 years ago

it took elijah 2.4 hours to run 13.8 miles. how many miles did he run each hour if he maintained a constant speed?

STALIN [3.7K]

Step-by-step explanation:

Elijah runs at constant speed

2.4 hours -----------> 13.8 miles

1 hour ---------------> 13.8/2.4

1 hour ---------------> 5.75 miles

Elijah run 5.75 miles in each hour at constant speed

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3 years ago

Is square root 1 minus sine squared theta = cos Θ true? If so, in which quadrants does angle Θ terminate?

Cloud [144]

Answer:

True; quadrants I & IV

Step-by-step explanation:

We know the relation between sine and cosine function which is given by

$\sin^2 \theta +\cos^2 \theta = 1$

Let us solve this equation for cosine function.

$\cos^2 \theta = 1-\sin^2 \theta$

Take square root both sides. When ever we take square root we need to write the solution in plus minus form

$\sqrt{\cos^2 \theta}=\pm\sqrt{1-\sin^2 \theta}$

$\cos \theta=\pm\sqrt{1-\sin^2 \theta}$

$\cos \theta=-\sqrt{1-\sin^2 \theta}, \sqrt{1-\sin^2 \theta}$

If Θ is in quadrants I and IV then the value will be positive and if Θ is in II and III quadrant then the value is negative.

Hence, if Θ is in quadrants I & IV, then we have

$\cos \theta=\sqrt{1-\sin^2 \theta}$

Thus, the correct option is: True; quadrants I & IV

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3 years ago

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