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Helen [10]
3 years ago
8

Add. write the doubles fact you used to solve the problem. 4+5=9

Mathematics
1 answer:
boyakko [2]3 years ago
7 0
4+5=9 4+4=8+1=9 I hope this helps! Follow me
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Help.......................
a_sh-v [17]

Answer: i think its B not sure tho.

Step-by-step explanation:

8 0
3 years ago
This is part 1. Please help
ahrayia [7]
For the first one you would do:
X rad 3=7 divide by rad 3 in both sides and you don’t wanna leave a radical in the denominator so multiply rad 3 in both denom. And numerator and then you get 7rad3/3.

A 30:60:90 triangle always have n:2n:n rad 3 so since 2n=10 you would get n=5 and since BC is n rad3 so you would get 5rad 3.

In a 45:45:90 triangle it is n:n:n rad 2, since AC=3 then AB= 3 and then BC= 3 rad 2

Since AC and AB are congruent you they both would be 12 so it is true.

6 0
3 years ago
Compare the theoretical probability to the experimental probability of landing on H.
cestrela7 [59]

The correct statement comparing the theoretical and experimental probabilities is given as follows:

\frac{1}{4} < \frac{7}{25}.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

The theoretical probability is taken before any experiment. Since the four sections are equal, the theoretical probability is:

T(H) = 1/4.

The experimental probability is taken considering previous experiments. Out of 100 tosses, 28 landed on H, hence:

E(H) = 28/100 = 7/25.

Hence the correct statement is:

\frac{1}{4} < \frac{7}{25}.

More can be learned about probabilities at brainly.com/question/14398287

#SPJ1

4 0
2 years ago
How many gallons of water is being filled each minute? (8th Math)
Nadya [2.5K]

Answer:

3 gallons

Step-by-step explanation:

its in between 2 and 4 on minute 1 and its on 6 at minute 2

4 0
2 years ago
Read 2 more answers
A performer in a circus is fired from a cannon as a ``human cannonball'' and leaves the cannon with a speed of 16.4 m/s. The per
ladessa [460]

Answer:

1195.22N.

Step-by-step explanation:

Mass: m =82.6 kg

Velocity: v= 16.4m/sec.

Distance: d = 9.29 metres.

Acceleration = (v²/2d) = (16.4²/18.58) = 14.47m/sec².

Force = (mass x acceleration) = (82.6 x 14.47) = 1195.22N.

3 0
3 years ago
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