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3 years ago

(w-7)(w+3) simplified

Mathematics

1 answer:

daser333 [38]3 years ago

5 0

Answer:

$w^{2}$ -4w-21

Step-by-step explanation:

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Jack has some marbles. He has ten more red marbles than blue marbles. He has fewer yellow marbles than blue marbles.

kap26 [50]

Answer:

<u>Jack has at least 15 marbles: 12 red, 2 blue and 1 yellow.</u>

Step-by-step explanation:

1. Let's review the information given to us to solve the problem correctly:

Number of red marbles = 10 more than blue marbles

Number of yellow marbles fewer than blue marbles

2. How many of each color marble could Jack have?

r = Number of red marbles

b = Number of blue marbles

y = Number of yellow marbles

r = b + 10

y < b

If y = 1, then b ≥ 2, and r = b + 10,

fulfilling the three conditions, we have:

5 0

3 years ago

What type of triangle is shown below?

Scorpion4ik [409]

That's a right angled triangle.
Hope this helps!

4 0

3 years ago

Read 2 more answers

The two figures are similar. Find the ratios (red to blue) of the perimeters and of the areas. Write the ratios as fractions in

vesna_86 [32]

Answer:

see explanation

Step-by-step explanation:

The perimeters of the similar figures have the same ratio as the sides.

ratio of perimeters = $\frac{11}{6}$

ratio of areas = 11² : 6² , that is 121 : 36

ratio of areas = $\frac{121}{36}$

3 0

3 years ago

If tan x =3/4, and 0

jasenka [17]

Answer: x=0.6435011

Step-by-step explanation:

Take the inverse tangent of both sides of the equation to extract

from inside the tangent.

arctan

(

)

Evaluate

arctan

(

)

0.6435011

The tangent function is positive in the first and third quadrants. To find the second solution, add the reference angle from

to find the solution in the fourth quadrant.

(

3.14159265

)

0.6435011

Simplify the expression to find the second solution.

Tap for more steps...

3.78509376

Find the period.

Tap for more steps...

The period of the

tan

(

)

function is

so values will repeat every

radians in both directions.

0.6435011

3.78509376

, for any integer

Consolidate the answers.

0.6435011

, for any integer

6 0

3 years ago

3r + 7 = -8 what does r =

jekas [21]

Answer: R = -5

Step-by-step explanation: 3r + 7= -8 is turned into 3(-5) + 7= 8. -15 + 7=8

4 0

3 years ago