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olga55 [171]
3 years ago
11

•) Find the sum. -3 1/3 + (-1 2/3)

Mathematics
2 answers:
Alja [10]3 years ago
6 0

Answer: 14.33

Step-by-step explanation:

aliya0001 [1]3 years ago
3 0

HOPE THIS WILL HELP U....

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Factor n2 + 8n + 12 completely.
spin [16.1K]

Answer:

(+2)(+6)

Step-by-step explanation:

2+8+12

:) Hope this helped

4 0
2 years ago
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You are trapped in a dark cave with three indistinguishable exists on the walls. One of the exits takes you 3 hours to travel an
bija089 [108]

Answer:

6 HOURS

Step-by-step explanation:

5 0
3 years ago
Triangles J K L and M N R are shown.
Free_Kalibri [48]

The correct answer is option B which is we need ∠L ≅  ∠R to prove congruency.

<h3>What is congruency?</h3>

The Side-Angle-Side Congruence Theorem (SAS) defines two triangles to be congruent to each other if the included angle and two sides of one is congruent to the included angle and corresponding two sides of the other triangle.

According to the SAS theorem which means Side Angle Side, The angle which is included between the two sides must be congruent.

Here we are given that

KL = NR

JL = MR

Now in the figure, we can clearly see that the angle included between JL & KL is L & the angle included between NR & MR is R.

So for the triangles to be congruent by SAS, angle L must be congruent to angle R.

∠L=∠R

Therefore the correct answer is option B which is we need ∠L ≅ ∠R to prove congruency.

Learn more about congruency at

brainly.com/question/14418374

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4 0
2 years ago
Convert 7/20 to a percent
Wewaii [24]
♥ To start you are going to divide \frac{7}{20}


♥ Solve:
0.35


♥ Now multiply this by 100.
0.35*100


♥ Solve:
35

♥ Now you have your final answer: 35%
3 0
3 years ago
Read 2 more answers
In an experiment Tom drops 12 drawing pins onto a hard floor. He does the experiment 10 times and counts how many pins land 'poi
Phoenix [80]

Answer:

a) 0.35

b) 420 drawing pins

Step-by-step explanation:

a) The question relates to the relative frequency of the pins pointing up which is found by the formula as follows;

Relative \ frequency = \dfrac{Number \ of \ successful \ trials }{Total \ number \ of \ trials}

The total number of pins land 'point up' = 3 + 5 + 6 + 2 + 4  + 7 + 3 + 3 + 4  + 5

The total number of pins land 'point up' = 42 successful trials

Total number of trials = 12 × 10 = 120 trials

Relative \ frequency = \dfrac{42 }{120}=  \dfrac{7}{20}

Due to the large number of trials, the relative frequency ≈ Probability and the probability that a single pin will land point up = 7/20 = 0.35

b) Given that the number of trials now = 12 × 100 = 1200, we have;

The expected number of drawing pins in total that would land point up = 0.35×1200 = 420 pins.

7 0
3 years ago
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