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3 years ago

Pleaseeeeeeee friends

Mathematics

1 answer:

IgorC [24]3 years ago

3 0

B(x)=x2+3
I believe so

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Two number cubes are rolled.

hichkok12 [17]

Answer:

When two number cubes are rolled,

Sample space= Total Possible outcome {11,22,33,44,55,66,12,21,13,31,14,41,15,51,16,61,23,32,24,42,25,52,26,62,34,43,35,53,36,63,45,54,46,64,56,65}=36

Probability of an event = \frac{\text{Total favorable outcome}}{\text{Total possible outcome}}

Sum of 4 is obtained when ={13,31,22}=3

Probability of getting 4 when 2 number cubes are rolled= \frac{3}{36}=\frac{1}{12}

Sum of the numbers is greater than 9= 10, 11,12={55,64,46,56,65,66}=6

Probability of getting(Sum of the numbers is greater than 9)=\frac{6}{36}=\frac{1}{6}

6 0

3 years ago

Read 2 more answers

Rachelle has $6.30 in nickels and quarters in her coin purse. The number of nickels is twice the number of quarters. How many co

timurjin [86]

Each group of 2 nickels and 1 quarter has a value of $0.35. Rachelle has $6.30/$0.35 = 18 such groups.

Rachelle has 18 quarters and 36 nickels.

5 0

3 years ago

If 8 gallons of gas cost $40, how much does 10 gallons of gas cost?

crimeas [40]

40/8=5
$5= 1gal.
5x10=50
So 10 gallons of gas costs $50

7 0

3 years ago

Read 2 more answers

Subtract (5x+3) -(x+2) A. 4x+1 B. 5x+5 C. 4x+5 D. 5x+1

miss Akunina [59]

Answer:

4x+1

Step-by-step explanation:

Collect the like therms and then substract the numbers

3 0

3 years ago

Find the missing dimension use the scale factor 1:12 model 32 cm find the actual in m

gizmo_the_mogwai [7]

Given:

The scale factor is 1:12.

Dimension of model = 32 cm

To find:

The actual dimension in m.

Solution:

Let x be the actual dimension.

The scale factor is 1:12 and the dimension of model is 32 cm.

$\dfrac{1}{12}=\dfrac{32}{x}$

On cross multiplication, we get

$x=32\times 12$

$x=384\ cm$

$x=3.84\ m$ $[\because 1\ m=100\ cm]$

Therefore, the actual dimension is 3.84 m.

6 0

2 years ago