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Rama09 [41]
3 years ago
15

What's the value of x to the nearest tenth? Question 12 options: A) 7.9 B) 9.7 C) 5.9 D) 8.1

Mathematics
1 answer:
Margaret [11]3 years ago
6 0

Answer:

The value is 9.7

Step-by-step explanation:

Use the Pythagorean theorem. a^{2} + b^{2}= c^{2}

a=7 b=x c=12

7^{2} + x^{2}= 12^{2}

49+x^{2} =144

144-49=95

x^{2} =95

\sqrt{ x^{2}}  =\sqrt{95}

x=9.74679434481

x=9.7

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the distance between Spice island and Kay island is 3.4 inches on the map. If the scale on the map is 1 inch = 25 miles, what is
Ronch [10]
One inch equals 25 miles
Two inches equals fifty miles
Three inches equals seventy five miles
Four inches equals one hundred miles

.1 inches equals 2.5 miles
.4 inches equals 10 miles

Seventy five miles plus ten miles equals eighty five miles.
7 0
3 years ago
Can you simplify 3(x+2) = 3x+6 in distributive property
Vanyuwa [196]

Hello XD

3(x+2) = 3x+6

Distributive property

(3)(x)+(3)(2) = 3x+6

3x+ 6 = 3x+6

Now subtract 3x from both sides

3x+6-3x = 3x+6-3x

6=6

Subtract 6 from both sides

6-6 = 6-6

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In this case the answer is : All real numbers are solution

3 0
2 years ago
Read 2 more answers
What is the image of (2,3)(2,3) after a reflection over the line y=-xy=−x?
otez555 [7]

Answer:

After the reflection over the line  y = -x, the image of the point is: (-3,-2)

Step-by-step explanation:

When a given point is reflected over a line the point only changes place but the distance between the point and the line remains same.

Let (x,y) be a point on the plane

and

y = -x be a line on the plane

When a point is reflected over a line y = -x , the coordinates of the point are exchanged which means x becomes y and y becomes x and both are negated

So (x,y) will become (-y,-x)

Given point is:

(2,3)

After the reflection over the line  y = -x, the image of the point is: (-3,-2)

4 0
3 years ago
Please help urgent!!!!!
Svetlanka [38]

Answer:

The answer is B!!

Step-by-step explanation:

What do we know given from the statement above the photo? We are told <Q is congruent to <S, and QR is congruent to SR. So by given that, we have an angle (angle Q or angle S), a side (side QR or SR), and another angle (angle R), so we have ASA. I hope this helps!!

6 0
3 years ago
Read 2 more answers
How much is a 15 percent down payment on a purchase of 205,000
insens350 [35]
Change 15% into a decimal

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multiply 0.15 and 205,000 together

205000 x 0.15 = <span>30750

$30,750 is your answer

hope this helps</span>
6 0
3 years ago
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