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3 years ago

Which set of angles shares rayAF as a common side?

Mathematics

1 answer:

Natali [406]3 years ago

3 0

BAF and FAD I took the test !

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If P(x)= x2 + x + 3 and Q(x) = 9x2 - 3, find P(8).<br> P(8)=D<br> (Type an integer or a fraction.)

allochka39001 [22]

Here you go! You actually said p(8) twice so I thought you meant Q(8). Please if the equations are wrong update me with the right equation

7 0

4 years ago

Read 2 more answers

HELP! Work out the question below.

pentagon [3]

Step-by-step explanation:

area of circle = πr²

radius ² = 9.15 = 83.72 (approx.)

now,

→ 22/7 × 83.72

→ 22 × 11.96 = 263.02 m²

therefore, area the centre circle is 263.02 according to nearest circle the area is 263 m².

hope this answer helps you dear..take care and may u have a great day ahead!

7 0

3 years ago

Write all names that apply to each number<br> 12 2/3

anygoal [31]

Twelve and two thirds

8 0

4 years ago

3xy - ² + 4x for x = -2, y = - and = 6?

Kitty [74]

Answer:

See below

Step-by-step explanation:

Not sure what you are asking....do you want to know what y is when x = -2 and the equation = 6 ?

3 xy^2 + 4x = 6 or is that 3 xy^(-2) + 4x = 6

Could use some serious editing of your question if you are able ....

7 0

2 years ago

The present ages of hero and hero in the ratio 3 is to 4 5 years from now their ratio of their ages will be 4 is 25 find the pre

Kisachek [45]

Answer:

Presently; Veeru is 15 and Neeru is 20

Step-by-step explanation:

Given

See comment for proper format of question

Let their present ages be x and y

So:

$x : y = 3 : 4$

5 years time, the ratio will be:

$x + 5: y + 5= 4 : 5$

Required

Their present ages

Express both ratios as fractions

$x : y = 3 : 4$ becomes

$\frac{x}{y} = \frac{3}{4}$

and

$x + 5: y + 5= 4 : 5$ becomes

$\frac{x+5}{y+5} = \frac{4}{5}$

Make x the subject in: $\frac{x}{y} = \frac{3}{4}$

$x = \frac{3}{4}y$

$x = 0.75y$

Cross multiply in $\frac{x+5}{y+5} = \frac{4}{5}$

$5(x + 5) = 4(y + 5)$

Substitute $x = 0.75y$

$5(0.75y + 5) = 4(y + 5)$

Open brackets

$3.75y + 25 = 4y + 20$

Collect like terms

$3.75y -4y = -25 + 20$

$-0.25y = -5$

Divide by -0.25

$y = 20$

Substitute $y = 20$ in $x = 0.75y$

$x = 0.75 * 20$

$x = 15$

8 0

3 years ago