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alina1380 [7]
3 years ago
14

Middle school math...

Mathematics
2 answers:
insens350 [35]3 years ago
4 0

Answer:

kole answer is 20

Step-by-step explanation:

storchak [24]3 years ago
3 0

Answer: Bella

Step-by-step explanation: Becuase the 11w, shows that she earns 11 dollars a week, +45, means she already has 35 dollors

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Find the area of the shape!!​
Evgen [1.6K]

9514 1404 393

Answer:

  100(π+3) ≈ 614 square units

Step-by-step explanation:

Assuming the rectangles are squares, the total area is that of 3 squares and a circle of radius 10.

  circle area = πr² = π·10² = 100π

  area of squares = 3×s² = 3·10² = 300

Then the total area is ...

  300 +100π ≈ 614 . . . square units

6 0
3 years ago
Hosting a breakfast brunch for 25 people, you plan to serve scrambled eggs.
Eduardwww [97]

Answer:

If each carton can feed 4 people, then you can buy 7 carton and feed 4 people per carton with leftovers expected, or you can buy 5 carton and serve 5 people per carton with no leftovers

Step-by-step explanation:

5 carton × 5 = 25 people fed

while 7 carton × 4 = 28 people = 25 people fed plus leftover for 3 people

3 0
3 years ago
3. Choose the best statistical question about lizards. O How many lizards do you have in your backyard? О What are the lengths o
ASHA 777 [7]

Answer: what are lengths of lizard

Step-by-step explanation: you can calculate average length of lizard

And also standard deviation and determine median too

4 0
3 years ago
In a wildlife park, there were 18 gray wolves. After three years, there were 27 gray wolves. What is the percent gain?
natulia [17]
27-18=9 (difference between)
9/18=0.5 (9 as a percentage of original as a decimal)
0.5x100=50 (as a percentage)

50% increase
4 0
3 years ago
Read 2 more answers
Using the discriminant, describe the nature of the roots for the equation <br> 49x^2 − 28x + 4 = 0.
scZoUnD [109]

Answer:

Put the equation in standard form by bringing the 4x + 1 to the left side.

7x2 - 4x - 1 = 0

We use the discriminant to determine the nature of the roots of a quadratic equation. The discriminant is the expression underneath the radical in the quadratic formula: b2 - 4ac.

b2 - 4ac In this case, a = 7, b = -4, and c = -1

(-4)2 - 4(7)(-1)

16 + 28 = 44

Now here are the rules for determining the nature of the roots:

(1) If the discriminant = 0, then there is one real root (this omits the ± from the quadratic formula, leaving only one possible solution)

(2) If the discriminant > 0, then there are two real roots (this keeps the ±, giving you two solutions)

(3) If the discriminant < 0, then there are two imaginary roots (this means there is a negative under the radical, making the solutions imaginary)

44 > 0, so there are two real roots

4 0
3 years ago
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