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vivado [14]
2 years ago
7

Triangle DEF is a right triangle. The length of the legs are 7 cm and 10 cm, how long is the hypotenuse? Round to the nearest te

nth if possible.
A.
7.1 unit
B.
9.0 units
C.
12.2 units
D.
17.0 units
Mathematics
2 answers:
timurjin [86]2 years ago
7 0

Answer:

C

Step-by-step explanation:

STALIN [3.7K]2 years ago
4 0

Answer:

C. 12.2

Step-by-step explanation:

7^2 + 10^ = 49 + 100

Square root of 149 = 12.2

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After school Rayah skateboards at a constant rate from her house to her friend's house 1.8 miles away. It takes her 12 minutes t
Sonja [21]

Answer:

Step-by-step explanation:

Given that:

Distance to friends's house = 1.8 miles

Time taken = 12 minutes

Since the rate is constant :

The rate Is related to distance and time :

The two variable equation which represents the equation is :

Speed = Distance / time

5 0
3 years ago
Please help easy stuff.......
nataly862011 [7]

To evaluate a function at a given input, you have to substitute every occurrence of the variable with that particular value.

So, for the first function, you have

T(x) = -x-2 \implies T(-4) = -(-4)-2 = 4-2 = 2

The name of the variable is obviously irrelelvant, so the same goes for the second function:

w(x) = 14-6x \implies w(-3) = 14-6\cdot(-3) = 14 + 18 = 32

3 0
3 years ago
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Which statement correctly describes the relationship between an acute and obtuse angle? An acute angle has the same measure as a
SSSSS [86.1K]
An acute angle has a smaller measure than an obtuse angle

8 0
3 years ago
Read 2 more answers
Help look at picture ;-;
GaryK [48]

Answer:

Step-by-step explanation:

turn the 4/3 into a decimal.=1.33

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4 0
2 years ago
A camper wants to know the width of a river. From point A, he walks downstream 60 feet to point B and sights a canoe across the
Anarel [89]
<h2>Hello!</h2>

The answer is:

The correct option is:

D. 40 feet.

<h2>Why?</h2>

To solve the problem and calculate the width of the river, we need to assume that the distance from A to B and the angle formed between that distance and the distance from A to the other point (C) is equal to 90°, meaning that we are working with a right triangle, also, we need to use the given angle which is equal to 34°. So, to solve the problem we can use the following trigonometric relation:

Tan\alpha =\frac{Opposite}{Adjacent}

Where,

alpha is the given angle, 34°

Adjacent is the distance from A to B, which is equal to 60 feet.

Opposite is the distance from A to C which is also equal to the width of the river.

So, substituting and calculating we have:

Tan(34\°) =\frac{Width}{60ft}

Width=60ft*Tan(34\°)=60ft*0.67=40.2ft=40ft

Hence, we have that the correct option is:

D. 40 feet.

Have a nice day!

6 0
3 years ago
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