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3 years ago

11

Write an inequality for the problem. Then solve.

1 answer:

Verdich [7]3 years ago

7 0

Answer:136+x grater than or equal to 189

Step-by-step explanation:

X is the amount of money he still needs to earn but his final product must be more or equal to 189 so he will be able to purchase the jacket for school.

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Please help me !!!

Mashutka [201]

$1)~3x^3+15x^2-2x-10=3x^2(x+5)-2(x+5)=(3x^2-2)(x+5)\\\\
2)~8x^2+12x+2xy+3y=4x(2x+3)+y(2x+3)=(4x+y)(2x+3)\\\\
3)~x^3+2x^2-5x-10=x^2(x+2)-5(x+2)=(x^2-5)(x+2)\\\\
4)~x^4+4x^3+2x+8=x^3(x+4)+2(x+4)=(x^3+2)(x+4)\\\\
5)~6y^2-3y+2yz-z=3y(2y-1)+z(2y-1)=(3y+z)(2y-1)\\\\
6)~x^2y+3x^2-7y^2-21y=x^2(y+3)-7y(y+3)=(x^2-7y)(y+3)\\\\
7)~10x^3-25x^2+4x-10=5x^2(2x-5)+2(2x-5)=\\\\=(5x^2+2)(2x-5)\\\\
8)~2x^2y+6xy-x-3=2xy(x+3)-(x+3)=(2xy-1)(x+3)$

8 0

4 years ago

How to multiply 70.94 by 3.2 and get 227.008

kogti [31]

Answer:

solution

Step-by-step explanation:

so the solution is this first multiply the numbers with out the decimal point and then count and add the decimal point.

7 0

3 years ago

Read 2 more answers

Prove the following trigonometric identity and show your work: (in other words, show that the identities on the left equal the o

fiasKO [112]

Cos t (sec t - cos t)
= cos t (1 / cos t - cos t)
= 1 - cos^2 t
= sin^2 t (using the identity sin^2 t + cos^2 t = 1 )

4 0

3 years ago

On August 1, Charles’ checking account register showed a balance of $2,416.78. After reviewing his bank statement he noticed an

amid [387]

Answer:

$2,783.53

Step-by-step explanation:

5 0

3 years ago

Fraction with a denominator of 10 can be written as an equivalent fraction with

AVprozaik [17]

Answer:

9/10 is 90%

Step-by-step explanation:

You just make it a percentage

5 0

3 years ago