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Natalka [10]
3 years ago
14

HELP ME FIND THE Y AND X INTERCEPT PLEASEE!!!!

Mathematics
2 answers:
Ganezh [65]3 years ago
5 0

Answer:

Y-Intercept = (0, 0.4) ; X-Intercept = (0.3, 0)

Step-by-step explanation:

kumpel [21]3 years ago
3 0

Answer:

x . 0.3

y . 0.4

Step-by-step explanation:

please mark me brainliest please

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If -5 is a root of the quadratic equation 2x^2+px+15=0 and the equation p(x^2+x) +k=0 has equal rootsv then find p and k
grigory [225]

Answer:

p=13, k = 3.25

Step-by-step explanation:

First, determine p:

2x^2+px+15=0\\x=-5:\\2(-5)^2+p(-5)+15=0\\-5p+65=0\\\implies p=13

Use this value in the second equation

13(x^2+x)+k=0

and write the condition for that equation having equal roots, i.e., its determinant must equal 0:

13x^2+13x+k=0\\D=b^2-4ac=13^2-4\cdot13\cdot k=0\\52k=169\implies k = 3.25


4 0
3 years ago
I need help I don’t understand my teacher and I have to find the slope of those
Mice21 [21]

Answer:

#7:y=\frac{4}{7} x-\frac{54}{7}

Slope: 4/7

Step-by-step explanation:

First off you need to graph these equation on a graph i recommend using Desmos, it is free you can search it up. After you graph you need to focus on rise/run. this is simple, count how many times you go up before you reach the point diagnolly, then go over however many until you reach the point. Write it in a fraction such as, 2/1, this would be your slope, 2.

I hope this helps!

8 0
3 years ago
Expand 2x(5x-2) <br><br> Help please ?
alina1380 [7]

Answer:

10x²-4x

Step-by-step explanation:

2x(5x-2)

clearing brackets by multiplying

=10x²-4x

i hope it will help you

3 0
3 years ago
Read 2 more answers
HELP!<br> . . . . . . . . . .
Tanzania [10]

Answer:

Step-by-step explanation:

Domain: ℝ

Range: [-3, ∞)

When x<4, the graph is decreasing.

When x>4, the graph is increasing.

Vertex (4, -3)

4 0
3 years ago
On a map, a distance of 2 cm represents 15 km. What is the distance (in km) between two cities that are 11 cm apart on the map?
GenaCL600 [577]

Answer:

82.5 km

Step-by-step explanation:

Given:

\frac{2cm}{15km} =\frac{11cm}{?km}

Cross-multiply.

2x = 11(15)

Divide both sides by 2 and solve for x.

x = 82.5 km

Please mark as Brainliest! :)

6 0
4 years ago
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