2 years ago

-4/53/7 15/16*-14/9

Mathematics

2 answers:

steposvetlana [31]2 years ago

8 0

Answer:

1/2

Step-by-step explanation:

Vladimir [108]2 years ago

7 0

1/2 .............zzzz

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A tree is 21/2 feet tall.How tall will it be in 3 years if it grows 1/4 foot each year?

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3 years ago

PLS HELP BRAINLIEST WILL BE GIVEN :D

disa [49]

Answer:

Step-by-step explanation:

By tracing the lines on the tree diagram, we see the probability of both being red is 0.5 × 0.6 = 0.3.

The probability of both being blue is 0.5 × 0.4 = 0.2.

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6 0

3 years ago

In ΔJKL, l = 860 inches, j = 920 inches and ∠K=126°. Find ∠L, to the nearest degree.

fomenos

Answer:

Step-by-step explanation:

JKL= ABC, jkl=abc

1.) use law of sines to find k.

$c^{2} =a^{2} +b^{2} -2abCosC$

$c=\sqrt{920^{2} +860^{2} -2(920)(860)cos(126) } = 1586.225515$

2.) use law of cosines to find L

$\frac{a}{sinA} =\frac{b}{sinB} =\frac{c}{sinC}$

plug in for b and c: $\frac{860}{sinB} =\frac{1586.225515}{sin126}$

cross multiply: $\frac{1586.23sinB}{1586.23} =\frac{860sin126}{1586.23}$

$sinB= 0.4386227612\\B=sin^-1(0.4386227612)= 26.01604086\\$

L=26

5 0

3 years ago

-4/5*3/7* 15/16*-14/9

-4/53/7 15/16*-14/9