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babunello [35]
3 years ago
15

(2.6 x 106) + (4.2 x 106)

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
7 0

Answer:

720.8

Step-by-step explanation:

(2.6 × 106) + (4.2 × 106)

275.6 + 445.2

720.8

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Callie has a new kitten. They can weigh 3 pounds less than half the weight of Callie‘s cat. Together the cat and kitten weigh 18
gavmur [86]

Answer:

The weight of cat is <u>14 pounds</u> and the weight of kitten is <u>4 pounds</u>.

Step-by-step explanation:

Given:

Callie has a new kitten. It can weigh 3 pounds less than half the weight of Callie‘s cat. Together the cat and kitten weigh 18 pounds.

Now, to find the weight of each animal:

Let the cat's weight be x.

And the kitten weight = \frac{x}{2} -3

Total weight of cat and kitten = 18 pounds.

Now, to set an equation to get the weight of each animal:

(x)+(\frac{x}{2}-3)=18

x+\frac{x}{2} -3=18

\frac{2x+x-6}{2} =18

\frac{3x-6}{2} =18

<em>Multiplying both sides by 2 we get:</em>

<em />3x-6=36<em />

<em>Adding both sides by 6 we get:</em>

<em />3x=42<em />

<em>Dividing both sides by 3 we get:</em>

<em />x=14\ pounds.<em />

<em>The weight of cat = 14 pounds.</em>

Substituting the value of x to get the kitten's weight:

\frac{x}{2} -3\\\\=\frac{14}{2}-3\\\\=7-3\\\\=4.

<em>The kitten's weight = 4 pounds.</em>

Therefore, the weight of cat is 14 pounds and the weight of kitten is 4 pounds.

7 0
3 years ago
Jessica skates 4 laps in 82 seconds<br> Which of the following is an equivalent skating?
lara [203]
2 laps in 41 seconds because you have to divide it in half and then you get your
5 0
3 years ago
Find the missing segment in the attached image
xz_007 [3.2K]

Answer:

The length of the missing segment is 24

Step-by-step explanation:

Given

The figure above

Required

Determine the missing segment

Let the missing segment be represented with x

Given that, there exist parallel lines between the two triangles;

The relationship between the sides of the triangles is as follows;

\frac{15}{x} = \frac{15+5}{8+x}

\frac{15}{x} = \frac{20}{8+x}

Cross Multiply

15 * (8 + x) = 20 * x

Open bracket

15*8 + 15 * x = 20 * x

120 + 15x = 20x

Subtract 15x from both sides

120 + 15x -15x= 20x-15x

120 = 20x-15x

120 = 5x

Divide both sides by 5

\frac{120}{5} = \frac{5x}{5}

\frac{120}{5} = x

24 = x

x = 24

Hence, the length of the missing segment is 24

4 0
3 years ago
Help me please thank u for helping me
yan [13]

Answer:

d

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
0.3(n-5)=0.4-0.2n solve for n
Reil [10]

Answer: n=3.8

Step-by-step explanation:

It is long but does a good job of explaining it

Let's solve your equation step-by-step.

0.3(n−5)=0.4−0.2n

Step 1: Simplify both sides of the equation.

0.3(n−5)=0.4−0.2n

(0.3)(n)+(0.3)(−5)=0.4+−0.2n(Distribute)

0.3n+−1.5=0.4+−0.2n

0.3n−1.5=−0.2n+0.4

Step 2: Add 0.2n to both sides.

0.3n−1.5+0.2n=−0.2n+0.4+0.2n

0.5n−1.5=0.4

Step 3: Add 1.5 to both sides.

0.5n−1.5+1.5=0.4+1.5

0.5n=1.9

Step 4: Divide both sides by 0.5.

0.5n

0.5

=

1.9

0.5

n=3.8

3 0
3 years ago
Read 2 more answers
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