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DIA [1.3K]
3 years ago
15

Simplify: (3x2 + 4x - 3) - (4x2 - 3x + 2)

Mathematics
1 answer:
kotegsom [21]3 years ago
7 0

Answer:

-x^2 + 7x - 5

3x

​2

​​ +4x−3−4x

​2

​​ +3x−2

(3x

​2

​​ −4x

​2

​​ )+(4x+3x)+(−3−2)

−x

​2

​​ +7x−5

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If 150g o sugar is used for 5 cakes, how much is used for 7 cakes?
Tju [1.3M]
150 g - 5 cakes
x g - 7 cakes

                       I have   2 ways 2 solve this   THE ANWSER IS  210
Well, if 150 grams is used for 5 cakes, we can divide that.
150/5=30. 30 grams of sugar are used for each cake
You want to know how many grams for 7 cakes
30x7=<u><em>210 grams of sugar are used for seven cakes.
</em></u><span>Hope this helps! 
   and ...
</span>
3 0
3 years ago
Determine if the statement is always, sometimes or never true.
fomenos
I believe the correct answer from the choices listed above is the last option. The measure of an exterior angle at the vertex of a polygon never equals the measure of the adjacent interior angle. Rather, they are always supplementary angles. 

Hope this answers the question. Have a nice day.
6 0
3 years ago
Marisol is painting on a piece of canvas that has an area of 180 square inches.The length of the painting is 1 1/4 times the wid
Eduardwww [97]
To get the area, the formula is 2l x 2w = a

so the formula will be like this: 

(x)(x+x/4)=180
where,
x is the width
x+x/4 is the height 
180 is the area

(x)(x+x/4)=180
[4(x)][4(x+x/4)]=180(4)    multiply all sides by 4 to remove the fraction
(4x)(4x+x)=720
(4x)(5x)=720  simplify 
20x^2=720   multiply 4x and 5x
20x^2=720  get the sq root of both sides
4.47x=26.83 divide by 4.47 to get the value of x
x=6


the width is 6 sq inches
the length is 7.5 sq inches
[(2)(6)][(2)(7.5)]=180
(12)(15)=180
180=180



6 0
3 years ago
Read 2 more answers
Look at the Screenshot and ANSWER THE QUESTION
ad-work [718]

Answer:

Graph C is the answer.

Step-by-step explanation:

From the graphs attached,

Graph A

Given graph represents a cubic function.

Graph B

This graph represents a piecewise  function.

Graph C

This graph represents an exponential function.

Graph D

Given graph represents a quadratic function.

Graph C is the answer.

6 0
3 years ago
Help,anyone can help me do quetion.​
Digiron [165]

Answer:

Step-by-step explanation:

PQRS is a parallelogram with QR = 6 cm, QT = 3 cm and ∠PSR = 115°.

a). By the property of a parallelogram,

   "Diagonals of a parallelogram bisect each other"

   QT = TS

   QS = 2(QT)

         = 2(3)

         = 6 cm

b). "Adjacent angles of a parallelogram are supplementary"

     m∠PSR + m∠SRQ = 180°

     115° + m∠SRQ = 180°

     m∠SRQ = 65°

c). Since, SQ = SR = 6 cm

    m∠QSR = m∠SRQ [Opposite angles of the equal sides of an isosceles triangle]

    m∠QSR = 65°

    By applying triangle sum theorem in ΔQSR,

    m∠SQR + m∠QRS + m∠QSR = 180°

    m∠SQR + 65° + 65° = 180°

    m∠SQR = 50°

7 0
3 years ago
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