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3 years ago

HELP PLEASE! If 2 answers, I will vote one Brainliest!

Mathematics

2 answers:

Vesna [10]3 years ago

7 0

Answer:

x = 55°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Subtract the sum of the 2 angles from 180° for x

x = 180° - (98 + 27)° = 180° - 125° = 55°

Stella [2.4K]3 years ago

4 0

Answer:

answer: x = 55

Step-by-step explanation:

Because a triangle will add up to 180 degrees 2 of are angles are given so I will subtract them from 180 for answer so 27 + 98 = 125

180 - 125 = 55 Hope this helps!

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A student solves a problem correctly 40 times out of 72 tries. Based on this data, what is the probability that the student inco

suter [353]

Answer:

The probability of the student incorrectly solves the next problem is 44%.

Step-by-step explanation:

Let E be the event of solving a problem correctly.

Then E' is the event that the problem is solved incorrectly.

Now, recall the definition of probability.

probability of an event = $\frac{number of favorable events}{total number of events}$

So,

p(E) = $\frac{40}{72}$

Also,

p(E) + p(E') = 1 and

p(E') = 1 - p(E)

= 1 - $\frac{40}{72}$

= $\frac{72-40}{72}$

= $\frac{32}{72}$

= $\frac{4}{9}$

= $\frac{4}{9} (100)$

= 44% rounded.

Hence, the probability of the student incorrectly solves the next problem is 44%.

4 0

3 years ago

Which choice is equivalent to the product below when x is greater than or equal to 0

QveST [7]

Answer: I believe it is C.

Step-by-step explanation: Because if you take 4 x 20 = 80

If I am wrong sorry.

7 0

3 years ago

Will surveyed students at his school about whether they have ever gone snowboarding and whether they own a skateboard. He found

larisa [96]

Answer:

third graph

Step-by-step explanation:

We represent the above information in a two way frequency table.

Have Snowboarded Never Snawboarded Total

Skateboard 35 64 99

No Skateboard 13 147 160

Total 48 211 259

Therefore, the third graph is the correct answer.

6 0

3 years ago

Read 2 more answers

The solution set of 4x-(x+7)=2(x+3)

maria [59]

Step-by-step explanation:

<h3><u>To</u><u> </u><u>Solve</u><u>:</u><u>-</u></h3>

$\\ \tt{:}\leadsto 4x-(x+7)=2(x+3)$

<h3><u>SOL</u><u>UTION</u><u>:</u><u>-</u></h3>

$\\ \tt{:}\leadsto 4x-(x+7)=2(x+3)$

$\\ \tt{:}\leadsto 4x-x-7=2x+6$

$\\ \tt{:}\leadsto 3x-7=2x+6$

$\\ \tt{:}\leadsto 3x-2x=6+7$

$\\ \tt{:}\leadsto x=13$

7 0

3 years ago

At a pet store the ratio of cats to dogs sold was 5 : 3. If there were 40 cats that were sold, how many dogs were sold?

Anna [14]

Answer:24 dogs

Step-by-step explanation:8x3

3 0

3 years ago