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ohaa [14]
3 years ago
5

Which problem can be solved by this number sentence? 3 × 7 = 21

Mathematics
1 answer:
vlada-n [284]3 years ago
5 0
11+10=?????????????????????
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A teacher already had a certain Number of canned goods for the food drive each day of the food drive the class plans to ring in
tangare [24]
The rate of change is given as 10 per day--the number of cans the class plans to bring each day.

After 10 days at that rate, the change will be 10*10 = 100. Since the total after 10 days is 205, we compute the initial value as 205 -100 = 105. This is the number the teacher already had.

cans = 10*days +105
5 0
3 years ago
Solve for x:
SIZIF [17.4K]

Answer:

x = 5.95

Step-by-step explanation:

Given

\frac{x}{1.7} = 3.5

Multiply both sides by 1.7 to clear the fraction

x = 1.7 × 3.5 = 5.95

8 0
3 years ago
The trigonometric ratios sine and secant are reciprocals of each other true or false?
kodGreya [7K]

True: The trigonometric ratios sine and secant are reciprocals of each other

7 0
3 years ago
Read 2 more answers
How can you use the point-slope form of a line when only given two points?
pshichka [43]

Answer:

See below

Step-by-step explanation:

<u>Point -slope form is:</u>

  • y - y1 = m(x - x1)

By having one set of coordinates and knowing the value of the slope (m in the equation) you can use the form.

<u>How to find the slope?</u>

Here you need 2 points: Point 1 with coordinates x1, y1 and point 2 with the coordinates x2, y2

<u>Use the formula:</u>

  • m = (y2-y1)/(x2-x1)

<u>Example:</u>

  • m = -5, and one of the points has coordinates (9, 2) then point-slope form is:
  • y - 2 = -5(x - 9)
3 0
3 years ago
If LN = 6x - 5, LM = x + 7, and MN = 3x + 20, find MN
Ostrovityanka [42]

Answer:

68

Step-by-step explanation:

LM   +    MN     =   LN

x + 7  + 3x + 20 = 6x - 5

           4x + 27 = 6x - 5

          -4x         -4x      

                   27 = 2x - 5

                    +5        +5

                   32  = 2x

                   ÷2   ÷2    

                    16 = x

MN: 3x + 20

      3(16) + 20

        48   + 20

              68

5 0
3 years ago
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