3 years ago

Please answer only number seven. Also, tell me the final answer and the process please

Mathematics

1 answer:

Sergeeva-Olga [200]3 years ago

7 0

Left side is 22.
22 x 10 = 220
(20 - 6) x 12 = 168
6 x 20 = 120
220 + 168 + 120 = 508
Thank you very much.

You might be interested in

For the sequence defined by a1=2<br><br> An+1=5/an-4

hichkok12 [17]

Answer:

i thnk is 239.213

Step-by-step explanation:

4 0

3 years ago

How many matches are needed to form figure number 9 and 17? explain

saveliy_v [14]

Answer:

Please find the complete question in the attached file.

Step-by-step explanation:

For point 1:

At this point we make up triangles for the first one makes up by 3 matches figure 2 make up by 5 matches figure 3 makes up by 7 matches.

For point 2:

$4 \ \ 5\ \ 6\ \ 7\ \ 8$ you can try to

$9 \ \ 11\ \ 13 \ \ 15 \ \ 17$ draw to find values

For point 3:

number of matches $= 1+2 \times \ figure\ number\\\\$

For point 4:

$1+2 \times 9=19 \ \ (use \ law \ of\ (iii)) \\\\1+2 \times 17=35$

3 0

3 years ago

Ralph bought 3 boxes with 20 pencils each and 4 boxes with 10 pens each. To find the total number of pencils and pens, Ralph eva

fredd [130]

Answer:

No, it's actually 100

Step-by-step explanation:

If you put brackets in the right places you'll see (3*20)+(4*10)=60+40=100

7 0

3 years ago

A day care center charges 60$ per week for one child, plus 20$ per sibling. The equation that describes the total charge t for t

Maurinko [17]

Answer:

80$ per week if you mean only 2 siblings

100$ per week if you mean the first child plus 2 siblings

Step-by-step explanation:

8 0

3 years ago

Find the value of x. Round to the nearest tenth. 9 4 x = [?]

schepotkina [342]

Answer:

26.4° (nearest tenth)

Step-by-step explanation:

$\boxed{sinθ = \frac{opp}{hyp} }$

$sinx = \frac{4}{9}$

<em>Taking the inverse of sine on both sides:</em>

$x = sin^{ - 1} ( \frac{4}{9} )$

x= 26.4° (nearest tenth)

8 0

3 years ago