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3 years ago

PLEASE ANSWER CORRECTLY, I WILL GIVE BRAINLIEST <3 THANKS IN ADVANCE.

Mathematics

1 answer:

lilavasa [31]3 years ago

4 0

Answer:

B = 40° and D = 60°

Step-by-step explanation:

Just subtract the angles you already know from 90° (since perpendicular means right angle, which is 90°).

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B-3/15=1 I have a lot of answers but I don't know which one is correct

Marina CMI [18]

b-3/15=-1

We simplify the equation to the form, which is simple to understand
b-3/15=-1

Simplifying:
b-0.2=-1

We move all terms containing b to the left and all other terms to the right.
+1b=-1 + 0.2

We simplify left and right side of the equation.
+1b=-0.8

We divide both sides of the equation by 1 to get b.
b=-0.8

8 0

2 years ago

The Frosty Ice-Cream Shop sells sundaes for $2 and banana splits for $3. On a hot summer day, the shop sold twice as sundaes tha

shutvik [7]

Answer:

i dont want to put the whole example cz like ur school might catch u so u gonna have to do the explainin part srry:( but the answear is 156$

Step-by-step explanation:

6 0

2 years ago

In a state where license plates contain six digits, what is the probability that the license number of a randomly selected car h

andre [41]

Answer:

Step-by-step explanation:

Given : In a state where license plates contain six digits.

Probability of that a number is 9 = $\dfrac{1}{10}$ [Since total digits = 10]

We assume that each digit of the license number is randomly selected .

Since each digit in the license plate is independent from the other and there is only two possible outcomes for given case (either 9 or not), so we can use Binomial.

Binomial probability formula: $P(X=x)=^nC_xp^x(1-p)^{n-x}$

, where n= total trials , p = probability for each success.

Let x be the number of 9s in the license plate number.

$X\sim Bin(n=6, p=\dfrac{1}{10}})$

Then, the probability that the license number of a randomly selected car has exactly two 9's will be :

$P(X=2)=^6C_2(\dfrac{1}{10})^2(1-\dfrac{1}{10})^{6-2}\\\\=\dfrac{6!}{2!(6-2)!}(\dfrac{1}{100})(\dfrac{9}{10})^4=0.098415$

Hence, the required probability = 0.098415

5 0

3 years ago

each evening, Marisol spend at least twice as much time reading as she spends doing homework. If Marisol works on her homework f

erica [24]

To get the result we can use knowledge that reading is 2 times longer than HW.
To find this value we just have to multiply 42 times 2 so
40*2=80
Its 1 hour and 20 min - its the result

8 0

2 years ago

Read 2 more answers

56 divided by 7 jdjcjdjdjdjfjjfhfjfhfjfhfufgdjssgjsjshsjwiwh

mrs_skeptik [129]

Its 8.

_08___
7 / 56
56
-----------------
0 <--- Leftover

So the answer is 8! Hope it helps! :D

6 0

2 years ago