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djverab [1.8K]
3 years ago
13

The temperature inside the lab refrigerator is less than 40

Mathematics
1 answer:
Delicious77 [7]3 years ago
4 0
What is the question?
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Solve for X <br><br> Will give brainiest
Tanzania [10]

Answer:

x = -11

Step-by-step explanation:

I'm going to assume 80 and 60 are vertical angles so:

x + 51 + 80 + 60 = 180

x + 191 = 180

x = -11

7 0
3 years ago
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Use the information in the diagram to determine the height of the tree to the nearest foot.
algol13

Answer:

The correct option is A. The height of tree is 60 ft.

Step-by-step explanation:

From the given figure it is noticed that the building is creating a right angle triangle from a point and the tree divides the hypotenuse and base in two equal part.

According to midpoint theorem of triangle: In a triangle, if a line segment connecting the midpoints of two sides, then the line is parallel to third side. The length of line segment is half of the length of third side.

Using midpoint theorem of triangle, we can say that the length of tree is half of the building.

Tree=\frac{1}{2}\times Building

Tree=\frac{1}{2}\times 120

Tree=60

Therefore correct option is A. The height of tree is 60 ft.

5 0
3 years ago
How do i solve this oasdkbngbg
Aleksandr [31]

Answer:

the answer is he fourth one

Step-by-step explanation:

6 0
3 years ago
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2 trains leave from the same point and travel along straight tracks that differ in direction by 72゚. If their speeds are 64 mile
Alinara [238K]

Answer:

34.44 miles

Step-by-step explanation:

Distance covered bty the two trains :

Distance = speed * time

Time = 30 minutes = 0.5hr

Distance of train 1 = 64 * 0.5 = 32 miles

Distance of train 2 = 52 * 0.5 = 26 miles

Included Angle = 72°

Using cosine rule :

a² = b² + c² - 2bcCosA

Let Distance between the trains after 30 minutes = a

a^2 = 32^2 + 26^2 - 2(32)(26) * Cos(72)

a^2 = 1700 - 514.20427

a^2 = 1185.7957

a = sqrt(1185.7957)

a = 34.435

a = 34.44 miles

5 0
3 years ago
Which of the following is the missing side length that completes Pythagorean triple below
nata0808 [166]
Pythagorus Theorm
a sqr + b sqr = c sqr
25 sqr + 7 sqr = c sqr
625 + 49 = c sqr
625 + 49 = 674

c = sqr root of 674
c = 25.96 (rounded to 2dp)
4 0
3 years ago
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