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3 years ago

Select the expressions that are equivalent to 5(w+5)

Mathematics

2 answers:

Tcecarenko [31]3 years ago

8 0

5w+25 hope this helps

mestny [16]3 years ago

5 0

I don't see any expression to choose from, but the only expression I can think of that's equivalent to 5(w+5) is 5w+25

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Carol is making a pattern with toothpicks. The first five terms of Carol's pattern are shown.

stellarik [79]

Answer:

Step-by-step explanation:

Let's make a table:

Term 1: 3 toothpicks

Term 2: 4 toothpicks

Term 3: 5 toothpicks

Term 4: 6 toothpicks

Term 5: 7 toothpicks

Term N = N + 2 toothpicks

6 0

3 years ago

What type of conic section is represented by the parametric equations below? X=3cos(t)-1 y=3sin(t)+4

Andrei [34K]

Answer:

Circle

Step-by-step explanation:

Examples of conic sections are the circle, the ellipse, the parabola and the hyperbola. Parametric equations are used to express the x and y variables in terms of a less complicated manner using a third variable (t or θ).

The parametric equation for a circle with an equation $(x-h)^2+(y-k)^2=r^2$ is given by:

$x=rcos(t)+h, y=rsin(t)+k$

where r is the radius of the circle and (h, k) is the center of the circle.

A conic section with a parametric equations X=3cos(t)-1, y=3sin(t)+4 is a circle with center at (-1, 4) and radius of 3. The equation of the circle is:

(x + 1)² + (y - 4)² = 3²

3 0

3 years ago

I know how do it but the fraction is confusing me please help will give branliest

Tomtit [17]

Replace x and y in the equation with what they tell you x and y equal.

2(14) / 13 - 9(1/3)

Now simplify:

2 x 14 = 28

9 x 1/3 = 3

You now have:

28/13-3

Simplify again to het 28/10 this can be reduced to 14/5

6 0

2 years ago

Dalton has $44,759 in a savings account that earns 9% annually. The interest is not compounded. How much will he have in 1 year?

Sliva [168]

Answer: total amount after 1 year will be 44759 + 4028.31 = 48,787.31

Step-by-step explanation:

SI = prt / 100

= 44759 x .09 x 1

= 4028.31

4 0

3 years ago

Because psychologists generally use college students as research participants, the research does NOT involve Group of answer cho

SOVA2 [1]

Answer: random sampling

Step-by-step explanation:

Because psychologists generally use college students as research participants, the research does not involve random sampling.

Random sampling is when each sample has an equal chance of being selected. Since the psychologists are targeting a particular set of students, the random sampling might not be applicable in this case.

4 0

2 years ago