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Simora [160]
3 years ago
13

Evaluate the expression when x=20, y=4, and z=7. 3z+8

Mathematics
2 answers:
Fynjy0 [20]3 years ago
7 0
The correct answer is 29.
Finger [1]3 years ago
3 0

Answer:

3z+8

3(7)+8

21+8

29 is your answer ☺️☺️☺️

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The answer to this question is 360ft^2
8 0
3 years ago
Which expression is equivalent to this polynomial expression?<br><br> (2x²-3y²)(4x4+6x²y²+9y4
alexandr1967 [171]

Answer:

The answer is 8x^6 - 27y^6

5 0
2 years ago
in a survey, 250 adults and children were asked whether they know how to swim. the surgery data are shown in the relative freque
Nadusha1986 [10]

Answer: D

Step-by-step explanation:

7 0
2 years ago
Solve and round answer to nearest hundredth please.
MA_775_DIABLO [31]

Answer:

Step-by-step explanation:

Solve this by using natural logs.  Taking the natural log of both sides:

ln(7*16^{8x-8})=ln(3)

To undo the multiplication, we use addition:

ln(7)+ln(16)^{8x-8}=ln(3)

The rule says we can now bring the exponent down in front of the ln:

ln(7)+(8x-8)ln(16)=ln(3)

Now we will subtract ln(7) from both sides:

(8x - 8)ln(16) = ln(3) - ln(7)

Now we will divide both sides by ln(16):

8x-8=\frac{ln(3)-ln(7)}{ln(16)} then add 8 to both sides:

8x=\frac{ln(3)-ln(7)}{ln(16)}+8 which simplifies to

8x = 7.694401895 so

x = .9618002368 or, rounded,

x = .96

(Rest assured I did the math and checked the answer and it checked out perfectly!)  I recommend you learn the laws of natural and common logs cuz they're kinda important!! :)

5 0
3 years ago
My favorite recipe for lemonade calls for 4 cups of water to 3/4 cups sugar. How
Nikolay [14]

Answer and Step-by-step explanation:

To find the unit rate, divide the 4 cups of water and the \frac{3}{4} cups sugar by 4 to get a unite rate for 1 cut of water.

<u>4 divided by 4 equals 1.</u>

<u />

<u />\frac{3}{4}<u> divided by 4 equals </u>\frac{3}{16}<u>.</u>

<u />

<u>Now, we multiply </u>\frac{3}{16}<u> by 6.</u>

<u></u>\frac{9}{8}<u> is how many cups of sugar that needs to be measured for 6 cups of water.</u>

<u><em>#teamtrees #PAW (Plant And Water)</em></u>

8 0
2 years ago
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