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3 years ago

Which term best describes the expression 2x + 2dy−3?

Mathematics

2 answers:

Margarita [4]3 years ago

7 0

Answer:

the term is separated by minus (-) and plus (+) .

therefore this term is trinomial.

Marysya12 [62]3 years ago

7 0

It’s Trinomial.
Mark me brainliest if satisfied with answer

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Andrew went to the store with $200.00. He bought 2 pair of shorts for $25.00 each, he bought 3 shirts for $22.00 each, and he bo

kap26 [50]

200-(25•2)=150
150-(22•3)=84
84-25=59
Andrew has $59 left

5 0

2 years ago

Read 2 more answers

Using addition formula solve tan 15

salantis [7]

Answer:

2 - $\sqrt{3}$

Step-by-step explanation:

Using the addition formula for tangent

tan(A - B) = $\frac{tanA-tanB}{1+tanAtanB}$ and the exact values

tan45° = 1 , tan60° = $\sqrt{3}$ , then

tan15° = tan(60 - 45)°

tan(60 - 45)°

= $\frac{tan60-tan45}{1+tan60tan45}$

= $\frac{\sqrt{3}-1 }{1+\sqrt{3} }$

Rationalise the denominator by multiplying numerator/ denominator by the conjugate of the denominator.

The conjugate of 1 + $\sqrt{3}$ is 1 - $\sqrt{3}$

= $\frac{(\sqrt{3}-1)(1-\sqrt{3}) }{(1+\sqrt{3})(1-\sqrt{3}) }$ ← expand numerator/denominator using FOIL

= $\frac{\sqrt{3}-3-1+\sqrt{3} }{1-3}$

= $\frac{-4+2\sqrt{3} }{-2}$

= $\frac{-4}{-2}$ + $\frac{2\sqrt{3} }{-2}$

= 2 - $\sqrt{3}$

3 0

2 years ago

Help! Please. I don’t know what I did wrong.

Debora [2.8K]

Answer:

1320, permutation

Step-by-step explanation:

There are 12 members

Pick a president

We have 12 choices

Now there are 11 people left to pick from

now pick a vp

We have 11 choices

Now there are 10 people left to pick from

now pick a secretary

We have 10 choices

12*11*10 = 1320

This is a permutation since it matters who is president, vp and secretary

6 0

3 years ago

Help me please. I'll give brainliest

Nikolay [14]

Answer:

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

Which graph represents the linear function below?

Luba_88 [7]

Answer:

The correct option is C.

Step-by-step explanation:

The given function is

$y-4=\frac{4}{3}(x-2)$ ..... (1)

The point slope form of a linear function is

$y-y_1=m(x-x_1)$ ..... (2)

Where, m is slope and the graph passing through the point $(x_1,y_1)$ .

From (1) and (2), we get

$m=\frac{4}{3},x_1=2,y_1=4$

It means the slope of the line is positive and the graph passing though the point (2,4).

Put x=0 in the given function, to find the y-intercept.

$y-4=\frac{4}{3}(0-2)$

$y-4=\frac{-8}{3}$

$y=\frac{-8}{3}+4$

$y=\frac{-8+12}{3}$

$y=1.333$

The y-intercept is 1.333.

Put y=0 in the given function, to find the x-intercept.

$0-4=\frac{4}{3}(x-2)$

$-12=4x-8$

$-4=4x$

$x=-1$

The x-intercept is -1.

Therefore option C is correct.

5 0

3 years ago

Read 2 more answers