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densk [106]
3 years ago
10

Look at the graph. Which is a part of the legend?

Mathematics
1 answer:
Debora [2.8K]3 years ago
3 0
Meals! Meals is the answer haha, what are you confused about?
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4. Factor the binomial.<br> 16x2 – 25
fiasKO [112]

Answer:

a^2-b^2=(a+b)(a-b) where a=4x and b=5. (4x+5)(4x-5)

Step-by-step explanation:

Since both terms are perfect squares,factor using the difference of squares formula

6 0
3 years ago
81/15 + -14/5 plz it is for a test
Natali [406]

Answer:

13/5 and/or 2.6

Step-by-step explanation:

6 0
2 years ago
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Armando used algebra tiles to represent the product 3x(2x – 1). Which is true regarding Armando’s use of algebra tiles?
makvit [3.9K]

Answer:

Some of the products do not show the correct powers of x.

D

7 0
3 years ago
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4. Simplify the expression. (6 points)
Lunna [17]

<span>4. Simplify the expression.
sine of x to the second power minus one divided by cosine of negative x</span>

<span>(1−sin2(x))/(sin(x)−csc(x))<span>

</span>sin2x+cos2x=1</span> <span>1−sin2x=cos2x<span>

</span>cos2(x)/(sin(x)−csc(x))</span> <span>csc(x)=1/sin(x)</span> <span>cos2(x)/(sin(x)− 1/sin(x))= cos2(x)/((sin2(x)− 1)/sin(x))</span> <span>sin2(x)− 1=-cos2(x)</span> <span>cos2(x)/(( -cos2(x))/sin(x))
=-sin(x)</span>
<span>the answer is the letter a) -sin x

</span><span>5. Find all solutions in the interval [0, 2π). (6 points)
sin2x + sin x = 0
</span> using a graphical tool  
the solutions   x1=0 x2=pi <span>x3=3pi/2
the answer is the letter </span><span>D) x = 0, π, three pi divided by two</span>

3 0
3 years ago
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Mrs.Douglas wanted to give each of her students 3 fancy pencils. She has 20 students. If fancy pencils come in packs of 12, how
Colt1911 [192]
1 pack of 12 will give 4 students their pencils. 20/4 = 5
3 0
2 years ago
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