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3 years ago

What is 2+2 fjjfjfjfjfjfjfjffjfffjf fjfjfjjffjfjfjfjf

Mathematics

1 answer:

Sveta_85 [38]3 years ago

3 0

$\large\bf\orange{ \diamond} \rm \: \:2 \: + \: 2 \: = \: 4$

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-3Ixl + 2x - 1, if x = -5<br><br> I don't get these types of problems :/

navik [9.2K]

Me either jiji jajaja jajaja jauja ink jajajja jaujas di Ian’s a

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2 years ago

For each ordered pair, determine whether it is a solution to the system of equations.

Simora [160]

Answer:

No, Yes,Yes, No

Step-by-step explanation:

5x is false

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2 years ago

In the diagram, TC represents a vertical building. The points, A and B, are on the same level as the foot C of the building such

Alenkinab [10]

Answer:

(a) The height of the building is 60.06 m

(b) The distance AB is 139.43 m

Step-by-step explanation:

The given parameters are

Given that segment BT = segment AT + 29

By trigonometric ratios, we have;

cos∠ATC = CT/AT

cos∠BTC = CT/BT

Therefore, we have;

cos(40°) = CT/AT.................................(1)

cos(56°) = CT/BT = CT/(AT + 29).....(2)

cos(56°) = CT/(AT + 29)......................(3)

From equation (1)

CT = AT×cos(40°)

From equation (3)

AT×cos(56°) + 29 × cos(56°) = CT

Therefore;

AT×cos(40°) = AT×cos(56°) + 29 × cos(56°)

AT×cos(40°) - AT×cos(56°) = 29 × cos(56°)

AT×(cos(40°) - cos(56°)) = 29 × cos(56°)

AT = 29 × cos(56°)/(cos(40°) - cos(56°)) = 78.4 m

TC = CT = AT×cos(40°) = 78.4×cos(40°) = 60.06 m

The height of the building = 60.06 m

(b) BT = AT + 29 = 78.4 m + 29 m= 107.4 m

AB = AT×sin(∠ATC ) + BT×sin(∠BTC) = 78.4×sin(40°) + 107.4×sin(56°) = 139.43 m

The distance AB = 139.43 m.

6 0

3 years ago

In April, Senator Smith’s approval rating dropped from 62% to 57%. In May, the approval rating decreased by another 8 percentage

Keith_Richards [23]

Senator Smith's percentage rating must increase by 13% in other to undo the previous decreases.

Initial rating = 62%

April rating = 57%

May rating = 57% - 8% = 49%

Final rating after decrease = May rating = 49%

In other to return to initial rating :

Initial rating - Final rating

62% - 49% = 13%

Hence, in other to undo the decrease in April and May rating, Senator Smith's percentage rating must increase by 13%

Learn more :: brainly.com/question/18796573

7 0

3 years ago

If you are solving the equation 1/(x-4)+1=14/(x+2) by factoring, which of the following equations would you use the zero product

Grace [21]

Answer:

The equation that would be used for the zero product property on will be (x-5)(x-10)=0

Option B is correct.

Step-by-step explanation:

We need to solve the equation $\frac{1}{(x-4)}+1=\frac{14}{x+2}$

Solving the equation:

$\frac{1}{(x-4)}+1=\frac{14}{x+2}\\\frac{1+(x-4)}{x-4}= \frac{14}{x+2}\\\frac{1+x-4}{x-4}= \frac{14}{x+2}\\\frac{x-3}{x-4}= \frac{14}{x+2}\\Cross\: Multiply\\(x-3)(x+2)=14(x-4)\\x(x+2)-3(x+2)=14x-56\\x^2+2x-3x-6=14x-56\\x^2-x-6-14x+56=0\\x^2-x-14x-6+50=0\\x^2-15x+50=0$

Now, we would factorise to find value of x

$x^2-15x+50=0\\x^2-5x-10x+50=0\\x(x-5)-10(x-5)=0\\(x-5)(x-10)=0$

So, the equation that would be used for the zero product property on will be (x-5)(x-10)=0

Option B is correct.

7 0

3 years ago

Read 2 more answers