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iogann1982 [59]
3 years ago
15

What is the gradient and y intercept of the following lines 1) y= 2X + 3 2) y = 5X + 1 3) y= 3X + 2

Mathematics
1 answer:
Doss [256]3 years ago
8 0

Answer:

see explanation

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope( gradient ) and y the y- intercept )

The 3 equations are in this form

(1)

y = 2x + 3

with gradient = 2 and y- intercept = 3

(2)

y = 5x + 1

with gradient = 5 and y- intercept = 1

(3)

y = 3x + 2

with gradient = 3 and y- intercept = 2

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Help please!!! Find the sum of the series show your work
AleksAgata [21]

Answer:

\sum_{i=1}^{12}(3i-1) = 222

Step-by-step explanation:

The given series is

\sum_{i=1}^{12}(3i-1)

The first term is

f(1) = 3 \times 1 - 1 = 2

The last term is

f(12) = 3 \times 12 - 1 = 35

To find the number of terms in the sequence, solve,

3i - 1 = 35

3i = 36 \\ i = 12

The sum of the first i-terms of an arithmetic sequence is:

S_i =  \frac{i}{2} (f(1) + f(2))

We substitute the values to get;

S_ {12}=  \frac{12}{2} (2+ 35)

S_ {12}=6(37)

S_ {12}= 222

6 0
4 years ago
Assuming your hypothesis is supported, which of the following graphs predicts the response of the female cricket to the male’s s
siniylev [52]
<span>The correct answer for this question is this one: "
Hint 1. Predicting the outcome of the experiment if your hypothesis is supported First, review your hypothesis.

Your hypothesis states that female crickets respond to both the chirp rate of the male’s song and the local temperature when identifying potential mates. From this hypothesis, you make the following prediction: If a female cricket is at a different temperature from a male of the same species, she will not respond to the male’s song. 

Hope this helps answer your question.

</span>
5 0
3 years ago
A rectangular garage is 6 meters long and 5 meters wide. What is its area?
Sunny_sXe [5.5K]

Answer:

30 meters

Step-by-step explanation:

You MUST multiply 5 and 6 to get 30 to find area you have to multiply length times width

8 0
4 years ago
Read 2 more answers
30 children are going on a trip it cost £5 including lunch some children take their own packed lunch they pay only £3 the 30 chi
nikitadnepr [17]
No enough info
you can just say that five brought there own lunch while 19 didnt
7 0
4 years ago
Read 2 more answers
5/8 divided 2 1/2 simply
Ksenya-84 [330]

Answer:

1/4

Step-by-step explanation:

Turn 2 1/2 into an improper fraction

5/2

Flip 5/2 to 2/5

Multiply 5/8 by 2/5

The answer is 10/40

Simplify

1/4

Hope this helped :)

5 0
3 years ago
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