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TEA [102]
3 years ago
10

Multiply 640 times 3 using partial products

Mathematics
2 answers:
Leviafan [203]3 years ago
8 0
600×3plus40×3plus0×3=1920
Leno4ka [110]3 years ago
5 0
213r1 or 213.3repeating
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I do t know how to do it
Luba_88 [7]

We know: the sum of the angles measures in a triangle is 180°.

Therefore we have the equation:

64° + 75° + α = 180°

139° + α = 180°      <em> subtract 139° from both sides</em>

α = 41°

α and ∠2 are Supplementary Angles - they add up to 180°.

α + m∠2 = 180°

41° + m∠2 = 180°    <em>subtract 41° from both sides</em>

<h3>m∠2 = 139°</h3>

7 0
3 years ago
I will mark you brain list and Give you 90 point if you do it right and answer right thanks
almond37 [142]

Answer:

11 Students

Step-by-step explanation:

It is hard to explain in my opinion but I can try. For the stem column you, basically factor out the first digit of the number. Then the leaf column you, put the second digit of each number in your data set.

3 0
2 years ago
Read 2 more answers
Solve the quadratic equation with there being two solutions
jeyben [28]
4a^2=9
a^2=9/4
a=3/2
a=-3/2
7 0
3 years ago
How do i do this idk how to do
marysya [2.9K]

Let's find the perimeter first by adding all the side lengths together. There are two missing side lengths, which we can find by taking the side opposite them and subtract the side behind the missing side from them.

I've attached a diagram showing how to find the side lengths.

Now let's add all the side lengths together: 4 cm + 8 cm + 8 cm + 2 cm + 4 cm + 6 cm = 32 cm

The perimeter of this figure is 32 cm.

---

To find the area we can divide this figure into 2 rectangles. On the second attached diagram, I've split the figure into two and labeled the length and width of each rectangle.

Area of a rectangle = length * width

Area of red labeled rectangle = 4 cm * 2 cm = 8 cm²

Area of yellow labeled rectangle = 8 cm * 4 cm = 32 cm²

Add the two areas together: 8 + 32 = 40

The area of the figure is 40 cm².

6 0
3 years ago
Read 2 more answers
−a^3 b^5 is a polynomial or not
lozanna [386]

Answer:

<h3>not</h3>

Step-by-step explanation:

<h3>HOPE IT HELPS YOU</h3><h3>BTW GOOD DAY TO YOU</h3>
5 0
3 years ago
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