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Mumz [18]
1 year ago
15

Please help. Solve for Z?​

Mathematics
1 answer:
irinina [24]1 year ago
8 0

Check the picture below.

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What is the radius of a sphere with a surface area of 100cm??
Dmitrij [34]

Answer:

The radius is 5

Step-by-step explanation:

The equation for Area of a sphere is

4pi*r^2

Since you have the area and not the radius you do the opposite of the equation so instead of multiplying you divide

100/4 = 25

Then find the square root of 25, which is 5

So your radius is 5.

Hope This Helps!!! :}

8 0
3 years ago
Factor the expression using the GCF: 15x - 25
Vladimir79 [104]

Answer:

5 (3x - 5)

u take the highest number or HCF of 15 and 25 which will be 5. then multiply it . like u have to multiply 5 with 3x to get 15 x and same like that u have to multiply 5 with -5 and u get -25...

5 0
3 years ago
Read 2 more answers
Lesson 7: Solving Equations with Fractions 6th Grade Practice
Nezavi [6.7K]

Answer:

1.C

2. 130, answer not listed

3. A

4. B

5.C

Step-by-step explanation:

To solve equations with fractions, convert from a mixed number to an improper fraction then use the inverse. The inverse of a fraction is multiplying by the reciprocal of the fraction on both sides.

1.

2\frac{1}{4}r=10\\\\\frac{9}{4}r=10\\\\\frac{4}{9} *\frac{9}{4}r=10*\frac{4}{9}\\\\r=\frac{40}{9} \\\\r=4\frac{4}{9}

2.

\frac{h}{26}=5\\\\\frac{26}{1} *\frac{h}{26}=5*\frac{26}{1}\\\\h=130

3.

\frac{6}{7}k=6\\\\\frac{7}{6} *\frac{6}{7}k=6*\frac{7}{6}\\\\k=\frac{42}{6} \\\\k=7

4.

\frac{4}{5}x\\\\\frac{4}{5}*\frac{5}{8}\\\\\frac{20}{40} \\\\\frac{1}{2}

5.

\frac{h}{4/9} \\\\\frac{\frac{16}{3} }{\frac{4}{9} } \\\\\\\frac{\frac{16}{3} *\frac{9}{4}}{\frac{4}{9}*\frac{9}{4}}\\\\\frac{16}{3} *\frac{9}{4}\\\\\\\frac{144}{12} \\\\12

4 0
3 years ago
The Values in the table represent a function.
Anna35 [415]

Answer:

  • f(-6) = 8
  • f(3) = -2
  • x = 4

Step-by-step explanation:

An ordered pair is related to function notation by ...

  (x, y)   ⇔   f(x) = y

where <em>f</em> is the function name, and <em>( )</em> enclose the argument(s) of the function.

__

<h3>a)</h3>

The ordered pair (-6, 8) gets translated into the above form as ...

  f(-6) = 8

__

<h3>b)</h3>

We are looking for the f(x) value that has 3 in the x-column.

  f(3) = -2

__

<h3>c) </h3>

We are looking for the x value that has -5 in the f(x) column.

  f(4) = -5

  f(x) = -5 when x = 4

8 0
2 years ago
Whats greater than 0.7
77julia77 [94]
Greater than 0.7?
0.8 dude

3 0
3 years ago
Read 2 more answers
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