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umka2103 [35]
3 years ago
6

Help calculating value of x?

Mathematics
1 answer:
SOVA2 [1]3 years ago
5 0
A) x° = 110/2 = 55°

b) x° = (88+86)/2 = 87°

c) x° = (90-20)/2 = 35°
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The triangle shown is a right triangle. Create the equation to be used to find the missing lengths.
telo118 [61]
The equation used to find the missing lengths:
9 = __SR (5^2 + x^2)__
As long as it is a right triangle, this is called the Pythagorean Theorem
{9}^{2}  =  {x}^{2}  +  {5}^{2}  \\  \sqrt{ {9}^{2} }  =  \sqrt{( {x}^{2}  +  {5}^{2} )}  \\ 9= \sqrt{( {x}^{2}  +  {5}^{2} )}


** FYI- if you wanted to SOLVE FOR THE MISSING SIDE X, then just switch around the original equation solving in terms of x:
{9}^{2}  =  {x}^{2}  +  {5}^{2}  \\  {x}^{2}  =  {9}^{2}  -  {5}^{2}  \\ x= \sqrt{( {9}^{2} -  {5}^{2})}  =  \sqrt{(81 - 25)}  \\
x =  \sqrt{56}  =  \sqrt{(8 \times 7)}   \\ x=  \sqrt{(4 \times 14)}  =  \sqrt{4}\times  \sqrt{14}  \\ x = 2 \sqrt{14}

6 0
4 years ago
Rishan is building a number 3091 using Place-value blocks. There are no thousands block. How many hundreds blocks can he use ins
satela [25.4K]

Given:

The number is 3091.

To find:

The number of hundreds blocks if there are no thousands block.

Solution:

The given number is 3091.

It can be written as:

3091=3000+0+90+1

3091=3\times 1000+0\times 100+9\times 10+1\times 1

3091=3\ Thousands+0\ Hundreds+90\ Tens+1\ Ones

There are no thousands block. So,

3000=30\times 100

3000=30\ Hundreds

Therefore, the number of hundreds blocks in 3091 is 30.

7 0
3 years ago
Write an equation in point-slope form of the line that passes through the given point and has the given slope. (3, 2); m = 2/3
77julia77 [94]

Answer:

y - 2 = \frac{2}{3}(x-3)

Step-by-step explanation:

Point-slope form: y - y1 = m(x - x1)

Slope: \frac{2}{3}

Point: (3, 2) = (x1, y1)

To write the equation in point-slope form, we need to know the values of the slope and one point. Since we've already been given those values, all we have to do is input them into the equation:

y - y1 = m(x - x1)

y - 2 = \frac{2}{3}(x-3)

The equation in point-slope form is: y - 2 = \frac{2}{3}(x-3)

4 0
3 years ago
Find the factor pairs of each number. 30
nata0808 [166]
To determine the factor pairs for the number 30, simply find out the smallest set of numbers that will multiply to give 30, you would need to break down composite numbers to do this.

30 = 6 • 5 = 2 • 3 • 5.

These all are prime numbers that when multiplied together equals 30.
6 0
3 years ago
A recipe calls for 2 1/4 cups of brown sugar.If I am only making 2/3 of the recipe , how many brown sugar should I use?
kotegsom [21]

Answer:

3 3/8

Step-by-step explanation:

Correct me if I'm wrong

4 0
3 years ago
Read 2 more answers
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