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navik [9.2K]
3 years ago
8

Please help me with this! Calculate and find the slope of the line

Mathematics
2 answers:
Usimov [2.4K]3 years ago
7 0

Answer:

The slope is just 1. y=x

Step-by-step explanation:

No matter how you look at it, it goes up one over one. Or you could do it the hard way and take two points and do the slope equation but you'll still get one.

Afina-wow [57]3 years ago
4 0

Answer:

1

Step-by-step expansion:

ok so this slope is going up at a whole rate of 1

the slope of this graph is 1

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If i^2 = −1 and a = (i + 7), which is the result of squaring a?
Artyom0805 [142]

Answer:

48+14i

Step-by-step explanation:

So squaring (i+7) looks like this

(i+7)^2

(i+7)(i+7)

Use foil.

First: i(i)=i^2=-1

Outer: i(7)=7i

Inner: 7(i)=7i

Last: 7(7)=49

____________Add the terms.

48+14i

8 0
4 years ago
Janice’s mother gave her a ten dollar bill to buy five pounds of bananas and apples at the grocery store.when she got there she
Mamont248 [21]

banana: 5*$0.8=$4 apple: 5*$1.4 = $7 4+7=11 so Janice's mother gave $1 less than needed

5 0
4 years ago
Vectors U and V are shown on the graph (The graph with letters U and V)
kolezko [41]

Answer:

  see attached

Step-by-step explanation:

The vector difference u -v can be represented on a vector diagram by the sum u +(-v), where -v is a vector the same length as v, but in the opposite direction.

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This sum is shown in the attachment.

5 0
3 years ago
John missed 4 problems on a test but did 75% of them correctly. How many problems
Keith_Richards [23]

Answer:

16

Step-by-step explanation:

he missed 25%

if 4 = 25% then 16 questions total

4*4=16 and 25% * 4 = 100%

4 0
2 years ago
Read 2 more answers
If sin(θ -π/2) = 0.73.. find cos (-θ) plz explain how to solve
Temka [501]

Answer:

cos(-\theta) = -0.73

Step-by-step explanation:

It is given that:

sin(\theta -\dfrac{\pi}{2}) = 0.73

<u>Formula to be used:</u>

1.\ sin(-x) = -sinx\\2.\ sin(\dfrac{\pi}{2}-x) = cosx\\3.\ cos(-x) = cosx

Using Formula (1) written above:

\Rightarrow sin (\theta - \dfrac{\pi}{2})=sin(-(\dfrac{\pi}{2}-\theta ))\\\Rightarrow -sin(\dfrac{\pi}{2}-\theta)

Now, using Formula (2) written above:

\Rightarrow -sin(\dfrac{\pi}{2}-\theta) = -cos \theta

So, we can say that:

sin(\theta -\dfrac{\pi}{2}) = -cos\theta = 0.73 ...... (1)

We have to find the value of cos(-\theta).

Using Formula (3) written above:

cos(-\theta) = cos\theta

So, ultimately we need to find the value of cos\theta

Using equation (1):

-cos\theta = 0.73\\\Rightarrow cos\theta = -0.73

So, the answer is cos(-\theta) = -0.73.

3 0
3 years ago
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