3 years ago

What does the discriminant tell us if it is -10? I need help by the end of today!

Mathematics

1 answer:

amid [387]3 years ago

7 0

Answer:

theres no picture that comes with it?

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Draw a rectangle to show that: 6(3+a) = 18 + 6a

VARVARA [1.3K]

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6(3+a)=18+6a

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3 years ago

Anita brings 6 dolls to her grandma's house. These dolls represents 20% of Anita doll collection,as shown in the diagram.

8090 [49]

20/100 =x/6

20 multiply 6 =120

120 divide by 100 =1.2

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3 years ago

I NEED HELP ON DOING THIS

stira [4]

If all the angles add up to 90 degrees then you can set the equation 7x-9*2x=90
Simplify
9x-9=90
Plus 9 both sides
9x=99
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2 years ago

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What’s 3•-30+15 <br><br> And the dot is multiplication!

snow_lady [41]

Answer:

-75

Step-by-step explanation:

3(-30)=-90

-90+15 is -75

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3 years ago

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Selma is buying a cell phone for business. The regular price of the phone is $179. If she buys the phone at 20% discount how muc

Nuetrik [128]

Answer:

$\large \boxed{\$35.80}$

Step-by-step explanation:

Discount = Regular price × % discount

$\text{Discount} = \text{\$179 regular price} \times \dfrac{\text{\$20 }}{\text{\$100 regular price}} = \textbf{\$35.80}\\\text{Selma will save $\large \boxed{\mathbf{\$35.80}}$}$

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3 years ago