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3 years ago

Determine the equation of a horizontal line that passes through (4,7)

Mathematics

1 answer:

professor190 [17]3 years ago

5 0

Y=7 because there is no slope and the Y intercept is at 7.

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I need to show work real answers plz

Paul [167]

X= -2 and y = -6. Here is the work

6 0

2 years ago

Read 2 more answers

In the diagram abc=adb=90, ad=p and dc=q. Use similar triangles to show that x2=pz<br> plzz anyoneee

kramer

Answer:

By comparing the ratios of sides in similar triangles ΔABC and ΔADB,we can say that $x^{2} =pz$

Step-by-step explanation:

Given that ∠ABC=∠ADC, AD=p and DC=q.

Let us take compare Δ ABC and Δ ADB in the attached file , ∠A is common in both triangles

and given ∠ABC=∠ADB=90°

Hence using AA postulate, ΔABC ≈ ΔADB.

Now we will equate respective side ratios in both triangles.

$\frac{AB}{AC}= \frac{AD}{AB}=\frac{BD}{BC}$

Since we don't know BD , BC let us take first equality and plugin the variables given in respective sides.

$\frac{x}{z}= \frac{p}{x}$

Cross multiply

$x^{2}=pz$

Hence proved.

7 0

3 years ago

Erin finds 5% sales tax for a shirt that costs $21. She calculates the tax as

kkurt [141]

Answer:

Step-by-step explanation:

a. Bicycle (1.07 x 45.90)

b. Shoes (1.06 x 67.50)

c. Laptop (1.08 x 299.99)

d. Video Game (1.04 x 39.95)

3 0

2 years ago

Solve the following factorize and the en- equation of quadrate equation X² + 5x + 7 x = 0

nlexa [21]

Answer:

{-12,0}

Step-by-step explanation:

first to solve this can collect like terms and add

X² +12x=0

and solve it by factorization method

X² +12x=0

x(x+12)=0

it means x multiplied by x = X² then x multiplied by 12 = 12x

so this means x or (x+12) equals to zero

x=0 and (x+12)=0

x+12=0

x=-12

so the solution set is {-12,0}

but can also be done by formula method

8 0

1 year ago

PLZ IM BEGGING YOU

antoniya [11.8K]

Answer:

200

Step-by-step explanation:

5 0

2 years ago