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Lady bird [3.3K]
4 years ago
12

="latex-formula">
​
Mathematics
2 answers:
7nadin3 [17]4 years ago
7 0

Answer:

4

Step-by-step explanation:

If you have 2 pizzas and 2 more pizzas you have 4 pizzas.

Ganezh [65]4 years ago
3 0

Answer:

4

Step-by-step explanation:

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How can i solve by completing the square 4r^2-28r=-49
Natalija [7]
To complete the square, the second degree term must have a coefficient of 1.
Since the second degree term here has a coefficient of 4, we start by dividing each term on both sides by 4.

4r^2 - 28r = -49

\dfrac{4r^2}{4} - \dfrac{28}{4}r = -\dfrac{49}{4}

r^2 - 7r = -\dfrac{49}{4}

Now we can complete the square.
First, we need to find what number completes the square.
We take the coefficient of the first degree term, -7 in this case.
Divide it by 2 and square it. -7 divided by 2 is the fraction -7/2.
Now we square -7/2 to get 49/4.
We add 49/4 to both sides.

r^2 - 7r + \dfrac{49}{4} = -\dfrac{49}{4} + \dfrac{49}{4}

(r - \dfrac{7}{2})^2 = 0

r - \dfrac{7}{2} = 0

r = \dfrac{7}{2}
3 0
4 years ago
a parallelogram has an area of 160 square meters and a height of 4 meter. what is the length of the base of the parallellogram
Kazeer [188]

Answer:

40

Step-by-step explanation:

the formula for area of a parallelogram is a = bh

you know area (a) = 160 and height (h) = 4, so:

160 = 4 * b

divide both sides of this equation by 4,

b = 40

the base is 40 meters long

4 0
2 years ago
Y=8-x
kondaur [170]

Answer:

y=-5, x=13

Step-by-step explanation:

y value equals -5, plug that value into the other problem and solve

6 0
3 years ago
What angle is complementary to 1 ? I'll mark brainliest
Marat540 [252]
The angle complementary to angle 1 is angle 2
4 0
3 years ago
Read 2 more answers
The next number in this series 7, 9, 11, 13, 15, is
gulaghasi [49]
The next number is 17.
The sequence adds by 2 everytime.
4 0
3 years ago
Read 2 more answers
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