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Anna71 [15]
2 years ago
5

Please Help me in math!

Mathematics
2 answers:
alexandr1967 [171]2 years ago
7 0
The estimated total amount of the bill is $22. The total on the register is reasonable.
Ronch [10]2 years ago
6 0
The total estimate should be 22$ considering the 77¢is rounded up from 21.77
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Use the Pythagorean Theorem to find the m<br> 14.1<br> X<br> X=<br> 14.7
KATRIN_1 [288]

Answer:

x = 4.2

Step-by-step explanation:

14.1² + x² = 14.7²

198.81 + x² = 216.09

216.09 - 198.81 = 17.28

√17.28 = 4.15

x = 4.15

Round to nearest tenth

x = 4.2

4 0
2 years ago
(x+5)²=81<br><br><br><br><br> need help quick
Vilka [71]
Square root each side
x-5=positive/negative 9
x=14, and -4
5 0
3 years ago
Timmykat is on the prowl. The kitten crusader has caught 5 bad guys already today and hopes to be able to catch 2.5 criminals ev
tamaranim1 [39]
30 divided by 2.5 
so 12 hours until he catches 30 bad guys 
5 0
3 years ago
What's the domain and range for (×+4)-1
Sonja [21]
\bf a^{-{ n}} \implies \cfrac{1}{a^{ n}}\qquad \qquad&#10;&#10;\cfrac{1}{a^{ n}}\implies a^{-{ n}}\\&#10;---------------\\&#10;thus\\&#10;(x+4)^{-1}\implies \cfrac{1}{x+4}&#10;\\\\&#10;
\bf if\qquad \cfrac{1}{0} \implies undefined

so.. what value of "x" makes x+4 to 0?

the domain will be, all real numbers, except that value

about the range, "y" will take, whateve "x" can provide.. in this case... I think is all real numbers, except 0, because, if you give a few big values to "x", the fraction will simply have a bigger and bigger denominator, making the fraction smaller and smaller, ever approaching 0, but never getting there
7 0
3 years ago
Help me plz i wnt help plz i want help
Bas_tet [7]

Answer:

C)28in

Step-by-step explanation:

To get the area of this face, we will divide it into 3 sections.

Area of the 1st section:

Given:

l=4in

w=2in

Formula:

a=l*w

Solution:

a=l*w

a=8in^2

Area of the 2nd section:

Given:

l=2in

w=2in

Formula:

a=l*w

Solution:

a=l*w

a=2in*2in

a=4in^2

Area of the 3rd section:

l=8in

w=2in

Formula:

a=l*w

Solution:

a=l*w

a=8in*2in

a=16in^2

a1+a2+a3=Area of the face

8in^2+4in^2+16in^2=28in^2

Hope this helps ;) ❤❤❤

3 0
3 years ago
Read 2 more answers
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