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mariarad [96]
3 years ago
9

Can someone help me please?have a good day!

Mathematics
2 answers:
Angelina_Jolie [31]3 years ago
7 0

Answer30

Step-by-step explanation:

Kruka [31]3 years ago
4 0

Answer:

30

Step-by-step explanation:

We'll set up an equation to solve this, saying Kamryn is 'x'

x = -40 (lost points in dance category) + 70 (gained points in tumbling)

The equation can be set up like this:

x = -40 + 70

70 - 40 = 30, so x = 30

Your answer is 30.

Brainliest is always appreciated, yadda yadda

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6/9 - 1/2 in simplest fraction form ppllleeeaasseee
Citrus2011 [14]

6/9 - 1/2 = 3/18 = 1/6

So, 9 and 2 is equivanlent to 19

and 6/9 x 2 = 12/18

1/2 x 9 = 9/18

so it's

12/18 - 9/18 = 3/18 = 1/6

I hope this helps

3 0
3 years ago
the weights of a particular size of boxes of apple cinnamon cheerios are approximately normally distributed with mean weight 23.
Damm [24]

Answer:

0.15%, or 15/100 of 1%, or 3/20 of 1%

Step-by-step explanation:

68% of the data lies within 1 standard deviation of the mean (23.3 oz), or between 23.1 oz and 23.5 oz.

95% of the data lies within 2 std. dev. of the mean, or between 22.9 oz and 23.3 oz.  

99.7% of the data lies within 3 std. dev of the mean, or between 22.7 oz. and  23.1 oz.

The remaining area under the curve is 100% - 99.7%, or 0.3%,  Only half of this, or 0.15%, is to the left of 22.7 oz.


6 0
3 years ago
What is ( 2 ^8 x 5^-5 x 19^0) ^-2 x ( 5^-2 / 2^3 ) ^4 x 2^28
Lera25 [3.4K]

(2^8x5^-5x19^0)^-2 x (5^-2/2^3)^4 x 2^28

(256x0.00032x1)^-2 x (0.04/8)^4 x 2^28

0.08192^-2 x 0.005^4 x 268,435,456

149.0116119384766 x 0.000000000625 x 268,435,456

0.000000093132257 x 268,435,456

= 25

7 0
3 years ago
Materials and labor for each pet groomed
ivolga24 [154]

Answer:

f(x) = 15x + 1,000

Step-by-step explanation:

y = mx + b

the 15 is the slope or rate and 1000 is the fixed value ( y intercept)

3 0
3 years ago
2. Find the value of x and y
postnew [5]

Answer:

62 = 4x + 2 \\ 12y = 144 \\  \\ 4x = 62 - 2 \\ 4x = 60 \\ x =  \frac{60}{4}  \\ x = 15 \\  \\ y = \frac{144}{12}  \\ y = 12

7 0
4 years ago
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