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photoshop1234 [79]
3 years ago
11

A standard deck of cards is made up of four suits: diamonds, spades, hearts, and clubs. What is the probability that you draw a

diamond or spade from a standard deck of cards? A). 1/8 B) . 1/4 C).1/2 D). 2/3
Mathematics
2 answers:
dem82 [27]3 years ago
6 0

Answer:

The answer is C for usatestprep

KonstantinChe [14]3 years ago
4 0
1/2. Half the cards are diamonds and spades. The other half are hearts and clubs. Therefore you have a 1/2 chance.
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How to solve these two problems ?
puteri [66]

8)  \theta is -0.896 radians

9) length of arc is 41.91 cm

Solution:

8)

Given that,

tan\ \theta = \frac{-5}{4}

\theta is in quadrant 4

To find: \theta

From given,

tan\ \theta = \frac{-5}{4}\\\\\theta = tan^{-1} \frac{-5}{4}\\\\\theta = tan^{-1} (-1.25)\\\\\theta = -51.34

Thus value of \theta is -51.34 degrees

Convert degrees to radians

-51.34\ degree = -51.34 \times \frac{ \pi }{180}\ radian\\\\-51.34\ degree = -0.896\ radian

Thus \theta is -0.896 radians

9)

From given,

radius = 15.4 cm

\theta = \frac{13 \pi }{15}

<em><u>The length of arc when angle in radians is:</u></em>

arc\ length = r \times \theta\\\\arc\ length = 15.4 \times \frac{ 13 \pi }{15}\\\\arc\ length = 15.4 \times 2.721\\\\arc\ length = 41.91

Thus length of arc is 41.91 cm

4 0
3 years ago
Hello! I have an algebra 1 dba tomorrow (flvs). I am just a little nervous and want to be a little more prepared. Does anybody k
alexgriva [62]

Answer:

Step-by-step explanation:

Giving out answers for a free test is something wrong but something I can help is to go review or I can help you review because algebra 1 is one easy of  a topic when you really hook yourself to it.

8 0
3 years ago
Read 2 more answers
Help please help me
BARSIC [14]

Step-by-step explanation:

if you're looking for x

x=180-42-51= 87°

and if you're looking for D

D= 180-42= 138°

7 0
3 years ago
The distance between two cities is 325 miles.
Papessa [141]
About 50 miles. hope this helps!
8 0
2 years ago
Read 2 more answers
PLRASE HELPPP PLS IM STUCK
GaryK [48]

Answer:

Khan Academy.

Step-by-step explanation:

You can go on khan academy and search up "percentages and numbers." The videos should immediately pop up. there are also lessons if you don't want to risk getting your problem wrong. If you are still confused and do not understand please just comment and I will respond.

3 0
2 years ago
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