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Nadya [2.5K]
3 years ago
15

Solve each equation and match the solution

Mathematics
2 answers:
8_murik_8 [283]3 years ago
7 0

Answer:

a

Step-by-step explanation:

sub to yfbg jay

BartSMP [9]3 years ago
7 0

Answer:

b=3.4     so it is d

Step-by-step explanation:

Subtract 2.3  from both sides of the equation

b+2.3 = 5.7

b+2.3 - 2.3 = 5.7- 2.3

and the simply

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Which answer, to the correct number of significant figures, is closest to the true value of the expression: (9.1 x 104 )(1.1 x 1
DIA [1.3K]

Answer : The correct answer is, -13000 g

Explanation :

Significant figures : The figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.

The rule apply for the multiplication and division is :

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.

The given expression is:

(9.1\times 10^4)(1.1\times 10^{-5})(\log 10^{-13})(1000)g

As we know that,

\log 10^{-13}=-13

\Rightarrow (9.1\times 10^4)(1.1\times 10^{-5})(-13)(1000)g

\Rightarrow -13013g

True value means, the rounding off the number. So,

\Rightarrow -13000g

Therefore, the correct answer is, -13000 g

3 0
3 years ago
Fiona’s school has three hallways that make up three sides of a triangular building design. In the morning, Fiona walks 90 yards
Viefleur [7K]
Between 30 yards and 150 yards
3 0
3 years ago
Read 2 more answers
What is the measure of angle x
kiruha [24]

Answer:

yes it is 2wwwwwrrriiiteeee annssss

3 0
3 years ago
How many real roots are in 10x^2 +3x+6=0
Ket [755]

Answer:

0

Step-by-step explanation:

Use the discriminant formula for parabola

{b}^{2}  - 4ac

{3}^{2}  - 4(10)(6)

9- 240

- 231

Since the answer is negative, we will have 2 imaginary roots so we won't have any real roots

4 0
2 years ago
Read 2 more answers
PLEASE
dlinn [17]

First find the gradient of line AB

14--3/7--10

17/17 = 1

As CD is perpendicular to AB take the negative reciprocal of the gradient to AB to find gradient of CD

Gradient of CD = -1

to find y intercept use points given

12=(-1 x 5) +c

17 = c

C is the y intercept so for question 1 the answer is 3


for the second question just plug values into the equation and see if you get the right y value

Here the only number that works is -2

for question 2

the answer is 2



4 0
3 years ago
Read 2 more answers
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