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2 years ago

Can someone smart at math help me cause a girl tried and can’t do this vodo thing my teacher gives me

Mathematics

1 answer:

krek1111 [17]2 years ago

5 0

3: t will equal 60°
180 divided by 3 is 60

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the forecast calls for a 30% chance of snow today and a 40% chance of snow tomorrow. what are the chances it will rain two days

egoroff_w [7]

Answer:

The chances it will rain two days in a row is 12%

Step-by-step explanation:

The forecast calls for a 30% chance of snow today

So, chance of snowfall today = 30% = 0.3

A 40% chance of snow tomorrow.

So, chance of snowfall tomorrow= 40% = 0.4

The chances it will rain two days in a row = $0.4 \times 0.3$

= $0.12$

So, percent it will rain two days in a row = $0.12 \times 100 = 12\%$

Hence the chances it will rain two days in a row is 12%

7 0

3 years ago

Select all the expressions that are equal to the product of 18 and 6.

Vlad1618 [11]

Answer: 108

Step-by-step explanation:

product means x 's so there for 18x6= 108

5 0

3 years ago

You download 12 new songs to your MP3 player. Then you delete 5 old songs. Write each amount as an integer.

Lapatulllka [165]

Answer:

the new ones and the old ones that you didn’t delete

Step-by-step explanation:

5 0

3 years ago

If b=4 and c=2, what is 2b-3c?

Paraphin [41]

First, fill in the variables with the numbers given so that
2b-3c
will then become
2(4)-3(2)
next, you refer to the order of operations to simplify the problem down, the multiplication being the first doable operations in this problem.
8-6
and next operation being subtraction.
2
is the final answer

6 0

3 years ago

Read 2 more answers

Does anyone know the answer to this one?

polet [3.4K]

Answer:

$\large\boxed{a(x+4)(x-5)=0,\ a\in\mathbb{R}-\{0\}}\\\\\text{for}\ a=1\to\boxed{x^2-x-20=0}$

Step-by-step explanation:

$\text{If}\ x_1\ \text{and}\ x_2\ \text{are the roots of the quadratic equation}\ ax^2+bx+c=0,\\\text{then}\ ax^2+bx+c=a(x-x_1)(x-x_2).\\\\\text{If}\ x_1\ \text{and}\ x_2\ \text{, then they are the roots of the quadratic equation.}\\\\\text{We have}\ x_1=-4\ \text{and}\ x_2=5.\ \text{Therefore we have the equation:}\\\\a(x-(-4))(x-5)=0\\\\a(x+4)(x-5)=0\qquad\text{for any value of}\ a\ \text{except 0}.$

7 0

3 years ago