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2 years ago

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Mathematics

1 answer:

tekilochka [14]2 years ago

5 0

Answer:

Step-by-step explanation:

Each of the five spaces on the spinner are equal so the theoretical probability for one space (Q) is 1/5. For the experimental probability, they spun it 15 times and 4 times it landed on Q so 4/15 times.

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Find x on this special right triangle

tigry1 [53]

Answer:

The answer is 7

Step-by-step explanation:

We know than Tan45=1

Tanx=opp/adj

tan45=y/(7 $\sqrt{2}$ )/2

Thus y=7 $\sqrt{2}$ /2

We know by pythagoras theorem that hyp^2=side^2+side^2

$x^{2}$ =( $(7\sqrt{2} /2)^{2}$ + $(7\sqrt{2}/2)^{2}$

$x^{2}$ =(49(2)/4)+(49(2)/4)

$x^{2}$ =(49/2)+(49/2)

$x^{2}$ =(98/2)

$x^{2}$ =49

x=7

6 0

3 years ago

This Stem-and-Leaf Plot shows the number of students in each of the karate classes held at the local recreation center last week

Evgen [1.6K]

Answer:

potatothendbzjshejeei

7 0

2 years ago

Read 2 more answers

Rosa is building a guitar. The second fret is 33.641\,\text{mm}33.641mm33, point, 641, start text, m, m, end text from the first

Wittaler [7]

Answer:

$65.39\ mm$

Step-by-step explanation:

Given

The second fret is $33.641\ mm$ from the first fret.

The third fret is $31.749 mm$ from the second fret.

Distance of third fret from the first fret $=$

Distance from first fret to second fret $+$ Distance from second fret to third fret.

$=33.641+31.749\\=65.39\ mm$

Hence, we can see the third fret is $65.39\ mm$ from the first fret.

5 0

3 years ago

Find the missing length the triangles are similar

aliina [53]

Answer:

Step-by-step explanation:

The triangle we need to find out one of the measurements for has one length of 11, the similar triangle has a length of 22.

22 divided by 2 is 11 there for 26 divided by 2 is 13.

5 0

3 years ago

Elena drops her pencil in her cup and notices that it just fits diagonally. the pencil is 17cm long and the cup is 15cm tall. wh

Vadim26 [7]

Hence the answer is 480ml

Step-by-step explanation:

Given Elena wonders how much water it will take to fill her cup. She drops her pencil in the cup and notice it just fit diagonally. The pencil is 17cm long (hypotenes) and the cup is 15cm tall.

To find how much water it can hold

SOLUTION

$\sqrt{x {} ^{ 2} + x {}^{2} + 15 {}^{2} = 17 }$