Please help me I need help at this math

Mathematics

2 answers:

Debora [2.8K]4 years ago

7 0

Answer:

See attachment for answers

Step-by-step explanation:

Juli2301 [7.4K]4 years ago

4 0

Answer:

9a.) Rise=5 Run=5 Rate=5/5 which is 1

9b.) Rise=-3 Run=6 Rate=-3/6 which is -1/2

Step-by-step explanation:

You might be interested in

Match each expression to its equivalent standard form.

Aleksandr [31]

Let's expand the products they are all in the form

$(a+b)(a-b)=a^2-b^2$

For the first one we have a=x and b=2i:

$(x+2i)(x-2i)=x^2-(2i)^2=x^2+4$

For the second one we have a=x-2 and b=2i:

$(x-2+2i)(x-2-2i)=(x-2)^2-(2i)^2 = x^2-4x+4+4=x^2-4x+8$

For the third one we have a=x+1 and b=i:

$(x+1+i)(x+1-i)=(x+1)^2-i^2=x^2+2x+1+1=x^2+2x+2$

3 0

4 years ago

Solve the equation<br><br> c/7=6 1/7

Softa [21]

c/7 = 6 1/7 ⇒ c = 43 ⇒ 43/7 = 6 1/7

Convert mixed fraction into a simple fraction

6 1/7 ⇒ (6 * 7 + 1)/7 = 43/7

c/7 = 43/7

proportionality:

a/b = c/d where ad = bc

a = c
b = 7
c = 43
d = 7

ad = bc ⇒ c7 = 7*43 ⇒ c7 = 301 ⇒ 7c/7 = 301/7 ⇒ c = 43

5 0

3 years ago

Read 2 more answers

The line graph with gradient 2 and y-intercept(0,5)

Varvara68 [4.7K]

Answer:

The line graph is:

y=2x+5

4 0

3 years ago

Evaluate the function given the value<br> f(x) = 1 - 2x; f(-12)<br> r

vesna_86 [32]