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3 years ago

WILL GIVE BRAINLIEST!!!

Mathematics

1 answer:

Charra [1.4K]3 years ago

5 0

I think the answer will be A

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Is the square root of 65 rational or irrational?

wlad13 [49]

Step-by-step explanation:

$\sqrt{65}$

As it can't be expressed in the form p/q, where q is not equal to 0,

Hence,

square root 65 is an irrational 

3 0

2 years ago

The largest 4 digit number exactly divisible by 88 is: a.9944 b.9768 c.9988 d.8888

serious [3.7K]

Answer:

Step-by-step explanation:

8 0

3 years ago

Look at the information below. The sum of the measures of angle M and angle R is 90°. © The measure of angle M is (5x + 10). The

kupik [55]

Answer:

Solution given;

<M=5x+10

<R=55

<M+<R=90°

5x+10+55=90°[is a required equation]

now solving it

5x=90-65

5x=25

x=25/5

x=5is your answer.

8 0

2 years ago

. Evaluate tan(α + β) = sin(????+????) / cos(????+????) to show tan(???? + ????) = tan(????)+tan(????????) / 1−tan(????) tan(???

grandymaker [24]

Answer with Step-by-step explanation:

We are given that

$tan(\alpha+\beta)$

$\frac{sin(\alpha+\beta}{cos(\alpha+\beta)}$

By using formula $tan x=\frac{sin x}{cos x}$

$\frac{sin\alpha cos\beta+sin\beta cos\alpha}{cos\alpha cos\beta-sin\alpha sin\beta}$

By using property: $sin(x+y)=sin x cosy+cos x sin y$

$cos(x+y)=cos x cosy-sin x siny$

Divide numerator and denominator by $cos\alpha cos\beta$

Then, we get

$\frac{\frac{sin\alpha}{cos\alpha}+\frac{sin\beta}{cos\beta}}{1-\frac{sin\alpha sin\beta}{cos\alpha cos\beta}}$

$tan(\alpha+\beta)=\frac{tan\alpha+tan\beta}{1-tan\alpha tan\beta}$

Hence, proved

Substitute $\alpha=\beta$

Then we get

$tan 2\alpha=\frac{tan\alpha+tan\alpha}{1-tan^2\alpha}$

$tan(2\alpha)=\frac{2tan\alpha}{1-tan^2\alpha}$

Hence, proved.

3 0

3 years ago

Help me!!!??? Now!!!!!!!!!!

Wewaii [24]

Answer:

%75

Step-by-step explanation:

15+14+11+20

15+20=35

14+11=25

total is 60

15 is 25% of 60

so there is %75 chance not to get pink

3 0

3 years ago

Read 2 more answers