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Anni [7]
3 years ago
14

4² - 3 + 7pemdas please ​

Mathematics
2 answers:
BlackZzzverrR [31]3 years ago
6 0

Answer: 6

Step-by-step explanation:

4^2 - 3 +7

16 - 3 +7

16 - 10

6

mezya [45]3 years ago
4 0

Answer:

20

Step-by-step explanation:

4^2= 16

16+7=23

23-3=20

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Express Jenny's age in terms of a if jenny is three years less than half of Anne's age
Nadusha1986 [10]
1. a = 1/2x - 3
2. a = 2x + 7
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3 years ago
Look at this cone:<br><br>,,
Assoli18 [71]
  • Slant height=l=3ft
  • Radius=r=2ft

We know

\boxed{\sf \star TSA_{(Cone)}=\pi r(r+\ell)}

\\ \sf\longmapsto TSA_{(Old\:Cone)}=2 \dfrac{22}{7}\times 2(2+3)

\\ \sf\longmapsto TSA_{(Old\:Cone)}=\dfrac{44}{7}(5)

\\ \sf\longmapsto TSA_{(Old\:Cone)}=\dfrac{220}{7}

\\ \sf\longmapsto TSA_{(Old\:Cone)}=31.4ft^2

Now

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  • New radius=2(2)=4cm

\\ \sf\longmapsto TSA_{(New\:Cone)}=\dfrac{22}{7}\times 4(4+6)

\\ \sf\longmapsto TSA_{(New\:Cone)}=\dfrac{88}{7}(10)

\\ \sf\longmapsto TSA_{(New\:Cone)}=\dfrac{880}{7}

\\ \sf\longmapsto TSA_{(New\:Cone)}=125.7cm^2

So

\\ \sf\longmapsto \dfrac{TSA_{(New\:Cone)}}{TSA_{(Old\:Cone)}}=\dfrac{125.7}{31.4}

\\ \sf\longmapsto \dfrac{TSA_{(New\:Cone)}}{TSA_{(Old\:Cone)}}=\dfrac{4}{1}

\\ \sf\longmapsto\underline{\boxed{\bf{ {TSA_{(New\:Cone)}}:{TSA_{(Old\:Cone)}}=4:1}}}

7 0
3 years ago
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Step-by-step explanation:

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If 1 box has 12 candies.

then 673 boxes shall have ( 673 * 12 ) = 8076 candies.

8 0
2 years ago
The original price of a kind of phone is $1050. Then, it’s price decreases by $50 per month. Calculate the price of the phone af
timama [110]

Answer:

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Step-by-step explanation:

1050 - (12 x 50) = 450

12 x 50 = 600

1050 - 600 = 450

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