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d1i1m1o1n [39]
2 years ago
9

Can you help me i got two wrong if I get one wrong I will have a falling grade

Mathematics
2 answers:
KIM [24]2 years ago
5 0

Answer:

the bottom left is wrong

Step-by-step explanation:

if u add 40+5+7/10+1/100 it'll only equal to 45.71

Makovka662 [10]2 years ago
4 0

Answer:

40 + 5 + \frac{7}{10} + \frac{1}{100} = 45.71

Step-by-step explanation:

The one needs to be in the thousandths place.

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Check that 2b+b and 3b have the same value when b is 1,2, and 3. Do 2b+b and 3b have the same value for all values of b? Explain
Inessa [10]

Answer:

Expression 2b+b and 3b have same values for all values of b.

Step-by-step explanation:

Given the two expression 2b+b and 3b and values of b as 1, 2 and 3.

Consider first expression that is, 2b+b.

Substituting the value of b=1,

2\left(1\right)+\left(1\right)=2+1=3 ....1

Substituting the value of b=2,

2\left(2\right)+\left(2\right)=4+2=6 ....2

Substituting the value of b=3,

2\left(3\right)+\left(3\right)=6+3=9 ....3

Consider second expression that is, 3b.

Substituting the value of b=1,

3\left(1\right)=3 ....4

Substituting the value of b=2,

3\left(2\right)=6 ....5

Substituting the value of b=3,

3\left(3\right)=9 ....6

For value of b=1, equation 1 and equation 4 are same, for value of b=2, equation 2 and equation 5 are same and for value of b=3 equation 3 and equation 6 are same.

Therefore both expression are same for all values of b.

3 0
3 years ago
The zeros of the function f(x) =(x+2) to the second power minus 5
pashok25 [27]
(x+2)^2-5=0\\
(x+2)^2=5\\
x+2=-\sqrt5 \vee x+2=\sqrt5\\
x=-2-\sqrt5 \vee x=-2+\sqrt5
8 0
3 years ago
100
disa [49]

Answer:

Distance of ladder top from ground = 9.2 meter (Approx.)

Step-by-step explanation:

Given:

Angle of elevation between ground and ladder = 43°

Length of ladder = 13.5 meter

Find:

Distance of ladder top from ground

Computation:

Length of ladder = Hypotenuse

Distance of ladder top from ground = Perpendicular

Sinθ = Perpendicular / Hypotenuse

Sin 43 = Distance of ladder top from ground / Length of ladder

0.6819 = Distance of ladder top from ground / 13.5

Distance of ladder top from ground = 9.20565

Distance of ladder top from ground = 9.2 meter (Approx.)

8 0
3 years ago
Only ARE will answer please what is 4-5=what is the answer
n200080 [17]
Is it -2123 that is my answer
3 0
3 years ago
I will mark brainlest
lbvjy [14]
I think the answer it’s 69.08cm
7 0
3 years ago
Read 2 more answers
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