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hodyreva [135]
3 years ago
11

Chantelle constructs a triangle with angles measuring 65 degrees and 38 degrees. What must be true of the measure of the third a

ngle in her construction?
Mathematics
2 answers:
skelet666 [1.2K]3 years ago
8 0
the answer would be 78.5
Ber [7]3 years ago
5 0

Answer:

75

Step-by-step explanation:

Add together and then subtract from 180

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Solve the following equation: 2(4^2 + 10) =
lesantik [10]

Answer:

52

Step-by-step explanation:

2(4^2 + 10) =

We do what's in the parenthesis first.

4^2 = 16 and 16+10 =26.

2(26)

= 52

3 0
4 years ago
Read 2 more answers
A device contains two circuits. The second circuit is a backup for the first, so the second is used only when the first has fail
Wittaler [7]

Answer:

Step-by-step explanation:

The pdf of X is given by 3e^x(1-e^-2y). Please check the screenshot for the workings.

The pdf of Y is given by 6e^-2y. Please check the screenshot for the workings.

The expected time the device fails is the expected time Y fails, so we are going to find the expected time of Y which equals to 0.83.

Please check the screenshop for the workings. Thanks

5 0
3 years ago
Evaluate-a-function f(x) = <img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%7D%7B7%7D" id="TexFormula1" title="\frac{x}{7}" alt="\f
OLga [1]

Step-by-step explanation:

Hey there!

f(x) = 7/x

<em>~ Simply keep the "7" in the place where "x" is there.</em>

f(7) =  \frac{7}{7}

Therefore, X= 1.

<em><u>Hope</u></em><em><u> it</u></em><em><u> helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>

3 0
3 years ago
Read 2 more answers
Carmen spent a total of $60 at the grocery store. of this amount, she spent $57 on fruit. What percentage of the total did she s
sdas [7]
The easiest way to determine the answer is to just divide $57/$60 = 0.95 or 95%
7 0
2 years ago
Will someone please help me understand this?
mario62 [17]

Option A:

The length of diagonal JL is 3 \sqrt{5} \text { units }.

Solution:

In the quadrilateral, the coordinates of J is (1, 6) and L is (7, 3).

So that, x_1=1, y_1=6, x_2=7, y_2=3

To find the length of the diagonal JL.

Using distance formula:

d=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}

d=\sqrt{(3-6)^2+(7-1)^2}

d=\sqrt{(-3)^2+(6)^2}

d=\sqrt{9+36}

d=\sqrt{45}

d=\sqrt{3^2\times 5}

d=3\sqrt{ 5} units

The length of diagonal JL is 3 \sqrt{5} \text { units }.

Option A is the correct answer.

7 0
3 years ago
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