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puteri [66]
3 years ago
13

All questions u may have to click the picture

Mathematics
1 answer:
jonny [76]3 years ago
5 0
1. u must simplify 3^2 first because the order of operations states that u have to do exponents before subtraction.

2. 12 - 3^2 = 81......she subtracted the 3 first....12 - 3^2 = 9^2 = 81...which is an incorrect answer

3. u do not divide before simplifying 3^2.....order of operations states that u have to do exponents before division

4. no.....(12 - 3)^2 ......order of operations states that u do parenthesis before exponents...so (12 - 3)^2 = 9^2 = 81
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there is a 15/80 chance  she will pick a black pen

there is also a 65/80 chance she will pick a blue pen

Step-by-step explanation:

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1. In each case, find p and ĝ.
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Answer: E. :)

Step-by-step explanation:

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If lines a and b are parallel, and m<8=150, what is the m<2
ss7ja [257]

Step-by-step explanation:

\underline{\large{ \tt{G \: I \: V \: E \: N}}} :

  • Line a & b are parallel
  • m ∠ 8 = 150 °

\underline{ \large{ \tt{T \: O\:  \: F \: I \: N \:D}}} :

  • m ∠ 2

\underline{ \large{ \tt{S\: O \:L \: U \: T \: I \: O \: N}}} :

\large{ \tt{m  \: \angle \: 8  \:  +  \: m  \: \angle \: 2 = 180 \degree}} [ Sum of co-interior angles ]

⤑ \large{ \tt{150 \degree \:  + m  \: \angle \: 2}} = 180 \degree

⤑ \large{ \tt{m \angle \: 2 \:  =  \: 180 \degree - 150 \degree}}

⤑ \large{ \tt{m  \: \angle \: 2 \:  =  \bold{ \tt{30 \degree}}}}

\red{ \boxed{ \boxed{ \tt{Our \: final \: answer :  \boxed{ \underline{ \bold{ \tt{30 \degree}}}}}}}}

Hope I helped ! ♡

Have a wonderful day / night ! ツ

# \underbrace{ \tt{Carry \: On \: Learning}} !!

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8 0
3 years ago
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A six sided number cube is rolled. What is the probability of getting three and then four, given that the first number rolled wa
LiRa [457]

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\frac{3}{6?}

7 0
3 years ago
What is the equation of the line parallel to 3x+2y= -4 that goes through the point (4,-1)
sertanlavr [38]

Answer:

y = (-3/2)x + 7

Step-by-step explanation:

3x + 2y = -4 (rearrange to slope intercept form y = mx + b)

2y = -3x - 4

y = (-3/2) x - 2

comparing this to the general form of a linear equation : y = mx + b

we see that slope of this line (and every line that is parallel to this line),

m = -3/2

if we sub this back in to the general form, we get:

y = (-3/2)x + b

We are still missing the value of b. To find this, we are given that the point (4,1) lies on the line. We simply substitute this back into the equation and solve for b.

1 = (-3/2)4 + b

1 = -6 + b

b = 7

substituting this back into the equation:

y = (-3/2)x + 7

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3 years ago
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