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erik [133]
3 years ago
15

Can you please help that will be super kind of u to do that

Mathematics
2 answers:
Mariana [72]3 years ago
7 0

Answer:

B. 18

Step-by-step explanation:

The number of observations here means every time they saw how many pennies someone brought in. So you count up the total number of dots from 0-50 on here, and there are 18.

mote1985 [20]3 years ago
6 0

Answer:

B

Step-by-step explanation:

I think your supposed to just count the dots

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Cos87°cos33° - sin87°sin33°
alina1380 [7]

Answer:

-\frac{1}{2}

Step-by-step explanation:

cos(87° + 33°) = cos(120°) = -\frac{1}{2}

6 0
3 years ago
Someone help plz correct answers only and explain how you got the answer
Harrizon [31]
Δ YX Z   And Δ VUW are SIMILAR because all their respective angles are congruent:

∠ y = 90°; ∠ v = 90°
∠ x = 67°; ∠ u = 67°
∠ z = 23°; ∠ w = 23°

Two triangles are similar if their related angles are congruent (answer B)

7 0
3 years ago
What is the standard numeral for nineteen million,seven hundred thousand
ivolga24 [154]
19,700,000 because 19 million is 19,000,000 and 700,000 is 700,000 add thise together and you get 19,700,000
7 0
3 years ago
Which function models the area of a rectangle with side lengths of 2x - 4 units and x + 1 units?
aalyn [17]

Answer:

Area of rectangle, f(x)=2x^2-2x-4.

Step-by-step explanation:

We are given with side lengths of a rectangle are (2x-4) units and (x+1) units. It is required to find the area of rectangle.

The area of a rectangle is equal to the product of its length and breadth. It is given by :

A=L\times B

Let us consider, L = (2x-4) units and B = (x+1) units

Plugging the side lengths in above formula:

A=(2x-4)\times (x+1)

A=2x^2+2x-4x-4\\\\A=2x^2-2x-4

So, the function that models the area of a rectangle is f(x)=2x^2-2x-4.

5 0
3 years ago
4b−3.2=3(2b−4) can you plz solve
evablogger [386]

Answer:

4b-3.2=6b-12

12-3.2=6b -4b

8.8=2b

b=8.÷2

b=4.4

3 0
3 years ago
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