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slavikrds [6]
3 years ago
7

True or false A triangle with sides having measures of 3, 4,

Mathematics
2 answers:
Fofino [41]3 years ago
6 0

Answer:

False

Step-by-step explanation:

A commonly known Pythagorean Triple for a right triangle is a 3-4-5 triangle.  Something so close will not be a perfect right triangle, but may be close.

Tju [1.3M]3 years ago
6 0

Answer:

false

Step-by-step explanation:

This triangle does not fit with the Pythagorean Theorem which is used to find the dimensions of a right triangle. If the dimensions were 3,4,5 it would work because 3 squared plus 4 squared equals 25 and 5 squared is 25

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Count on and count back by 10 and 100
lianna [129]

1. 461

2. 760

3. 467

4. 795

5. 802

6. 643

7. 228

8. 479

9. 118 stickers (from Alex)

10. 543 (10 more) gives 553. You can find out the number that is 10 more when you add the regular number by 10, 543 + 10 = 553.

Hope this helped!

Nate

6 0
3 years ago
Teh slope between two points is calculated by finding the change in y-values and dividing by the change in x-values. for example
Nimfa-mama [501]
Hi there!

The change of y-values is
- 15 - 22 = - 37
The change of x-values is
7 - - 8 = 7 + 8 = 15

Therefore, the slope of this line is
\frac{ - 37}{15}  =  - 2 \frac{7}{15}

4 0
3 years ago
How do you do: -6(6a-5)=-2(8-5a)
devlian [24]

Answer:

a = 1

Step-by-step explanation:

1. distribute the -6 on the left into the parentheses. you should get -36a + 30.

2. on the side right of the =, distribute the -2 to get -16 + 10a.

now it should look like -36a + 30 = -16 + 10a.

3. move the terms over to isolate the a value. subtract 30 to the right side to get -46 (-36a=-46+10a)

4. move the 10a on the right to the left by subtracting it to the other side.

(-46a=-46)

5.divide by -46 to get a=1

7 0
3 years ago
"You want to purchase a North Face jacket for $180. You have already saved $115 and can set aside $13 a week.
ale4655 [162]

Answer:

115 + 13w \geq 180

Step-by-step explanation:

6 0
3 years ago
A parallelogram has sides of 18 and 26 ft, and an angle of 39° . Find the shorter diagonal
Fed [463]

Answer:

16.51

Step-by-step explanation:

In a parallelogram, the opposite angles are always equal in measure. So two of the angles in the parallelogram measure 39 degrees each.

The sum of angles of the parallelogram must be 360 degrees. Let the other two angles be x degree each. We can set up the following equation for the angles:

39 + 39 + x + x = 360

78 + 2x = 360

2x = 282

x = 141

This means, the other two angles measure 141 degree each. The shorter diagonal will be opposite to the shorter angle.

Hence, the diagonal opposite to the angle 39 degree will be the shorter one. A diagonal divides the parallelogram in two triangles. So we will have two sides and an included angle and we have to find the third side of the triangle which can be found using the law of cosines. Let the third side be c as shown in image below, using the law of cosines, we can write:

c^{2} = a^{2}+ b^{2} -2ab cos(\gamma)\\\\c^{2}=18^{2}+26^{2}-2(18)(26)cos(39)\\\\ c^{2}=272.59\\\\ c=16.51

Thus the shorter diagonal will be 16.51 feet in measure.

3 0
3 years ago
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