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aleksley [76]
1 year ago
15

shan sees his friends for 90 minutes each day. In 7 days, how many minutes does he spend with his friends? use place value to fi

nd out
Mathematics
1 answer:
Fudgin [204]1 year ago
3 0

Answer:

90 x 7= 630 minutes

Step-by-step explanation:

You might be interested in
. Find four consecutive odd integers such that the sum of the first and fourth is 55 greater than the opposite of the third.
Setler79 [48]

Answer:

The four consecutive odd integers = 15, 17, 19, 21

Step-by-step explanation:

Four consecutive odd integers in Mathematics when x is an integer is given as:

x , x + 2 , x + 4, x + 6

Where:.

First integer = x

Second integer = x + 2

Third integer = x + 4

Fourth integer = x + 6

The sum of the first and fourth is 55 greater than the opposite of the third

Hence :

x + x + 6 = -(x + 4) + 55

x + x+6 = (-x - 4) + 55

2x + 6 = -x + 51

Collect like terms

2x + x = 51 - 6

3x = 45

x = 15

Therefore,

First integer = x = 15

Second integer = x + 2 = 15 + 2 = 17

Third integer = x + 4 = 15 + 4 = 19

Fourth integer = x + 6 = 15 + 6 = 21

The four consecutive odd integers = 15, 17, 19, 21

4 0
4 years ago
Help me please I need help 2
djyliett [7]

Answer:

26.6 meters

Step-by-step explanation:

Tan(x) = \frac{opp}{adj}

Tan(28)  = \frac{x}{50}

x = 26.6m

4 0
3 years ago
What’s the square root of 25
Reptile [31]

Answer:

5

Step-by-step explanation:

3 0
3 years ago
Mr. and Mrs ------ Have a number of children. if 0.83 of the childern are male, what is the least possible number of people in t
frosja888 [35]

Answer:

The least possible number of people in the family is 8.

Step-by-step explanation:

To determine the minimum number of people that make up the family, knowing that 0.83 of the children are boys, the following logical reasoning must be carried out:

Given that 0.83 is the result of 5/6, it can be said that 5 of the 6 children of the couple are boys. These 6 children must be added to the 2 fathers of the family, with which the total number of family members is 8.

5 0
3 years ago
Solve x^2=2x+3 by factoring
solong [7]

The solution is x = 1 and x = -3

<em><u>Solution:</u></em>

Given that we have to solve the given equation by factoring

Given equation is:

x^2=2x + 3\\\\x^2 - 2x - 3 = 0

\text{Consider the form } x^2+bx+c

Find a pair of integers whose product is c and and whose sum is b

\text{Compare } x^2-2x-3 = 0 \text{ with } x^2+bx +c\\\\\text{We get } b = -2 \text{ and } c = -3

Now find, a pair of integers whose sum is -2 and product is -3

The integers that satisfies this condition is -1 and 3

When we add - 1 and 3 we get 2

When multiply -1 and 3 we get -3

Thus the pair of integers are -1 and 3

Write the factored form using these integers.

(x-1)(x+3) = 0

The Zero Product Property states that if ab = 0, then either a = 0 or b = 0, or both a and b are 0

Set the factors equal to 0

x - 1 = 0 \text{ and } x + 3 = 0

x = 1 and x = -3

Thus the solution is x = 1 and x = -3

4 0
3 years ago
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