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Sphinxa [80]
3 years ago
9

PLEASEEE HELP -7a + 2b

Mathematics
2 answers:
dusya [7]3 years ago
6 0
I can’t answer this question it is missing information
Y_Kistochka [10]3 years ago
5 0

Answer:

There are no like terms.

so its -7a+2b

Step-by-step explanation:

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NEED HELP
Reptile [31]

Answer:

B I'm pretty sure

Step-by-step explanation:

6 0
3 years ago
I don’t know the answer
Sunny_sXe [5.5K]

Answer:

AC ≈ 12.9 cm

Step-by-step explanation:

Using the ratio

sin40° = \frac{b}{20}

Multiply both sides by 20

20 × sin40° = b, hence

AC = b = 20 × sin40° ≈ 12.9

5 0
2 years ago
Read 2 more answers
Describe a situation in which you might add 1/3+1/4+1/2
Aneli [31]

Answer:

wwdwaDwadfafwfwefwfwefwefwefwefwefwweqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the area of this triangle?
dsp73

Answer:60

Step-by-step explanation:

a=13 b=13 c=10

Perimeter of =a+b+c

perimeter of =13+13+10

Perimeter of =36

S=36 ➗ 2

S=18

Area=√s(s-a)(s-b)(s-c)

Area=√18(18-13)(18-13)(18-10)

Area=√18(5)(5)(8)

Area=√(3600)

Area of =60

4 0
3 years ago
Increase £15837.77 by 18.5%
labwork [276]

if we take £15837.77 to be the 100% and we increase it by 18.5%, that'll be 100% + 18.5% = 118.5%.

\begin{array}{ccll} \pounds&\%\\ \cline{1-2} 15837.77 & 100\\ x& 118.5 \end{array} \implies \cfrac{15837.77}{x}=\cfrac{100}{118.5} \implies (15837.77)(118.5)=100x \\\\\\ \cfrac{(15837.77)(118.5)}{100}=x\implies 18767.76\approx x

6 0
2 years ago
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