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3 years ago

35 + z =500 help me

Mathematics

2 answers:

RideAnS [48]3 years ago

8 0

Answer:

465

Step-by-step:

500-35=465

ozzi3 years ago

5 0

465

You get this by taking 500 and subtracting 35. Then to check you add your answer to 35 and see if it adds up which it does

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A number is divided by four. The result is added to five. This result is multiplied by three to give 27. What is the number?

Damm [24]

The answer is 16

Explanation:16/4=4

4+5=9

9*3=27

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3 years ago

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Find the value of b. Express the answer as a simplified radical.

Mama L [17]

Here three sides of a right angled triangle given.

The three sides are b, 8 and 14.

The side with length 14 is the hypotenuse here. We have to find the side of length b.

To get b, we will use Pythagoras theorem here.

By using Pythagoras theorem we can write,

$c^2=a^2+b^2$ , where c is the hypotenuse.

So here we can write,

$14^2=8^2+b^2$

$196 = 8^2+b^2$

$196=64+b^2$

To solve it for b, now we have to move 64 to the left side by subtracting it from both sides.

$196-64 = 64+b^2-64$

$196-64 = b^2$

$132=b^2$

Now to find b, we have to take square root to both sides. We will get,

$\sqrt{132}= \sqrt{b^2}$

$\sqrt{132} =b$

$b= \sqrt{(4)(33)}$

$b= (\sqrt{4})(\sqrt{33})$

$b= 2\sqrt{33}$

We have got the required answer for the side b.

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3 years ago

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klemol [59]

(.6)^2
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3 years ago

onsider the equation 0.5 times e4z =13 solve the equation for z. express the solution as a logarithm in base e

olga_2 [115]

Answer:

$z=\frac{ln(26)}{4}$

Step-by-step explanation:

The given equation is:

$0.5\,e^{4z}=13$

so, we first isolate the exponential form that contains the unknown "z" in the exponent, by dividing both sides by 0.5:

$0.5\,e^{4z}=13\\e^{4z}=\frac{13}{0.5}\\e^{4z}=26$

Now we bring the exponent down by applying the natural log function on both sides, and then solve for "z":

$e^{4z}=26\\ln(e^{4z})=ln(26)\\4\,z=ln(26)\\z=\frac{ln(26)}{4}$

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4 years ago

What is the circumference of a circle with diameter 7 units?

Aliun [14]

Answer:

C = 7pi units or approximately 21.98 units

Step-by-step explanation:

The circumference is given by

C = pi * d

We are given the diameter of 7

C = 7pi

We can approximate pi by 3.14

C = 7 *3.14

C =21.98 units

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4 years ago