3 years ago

I need help on those two!!!

Mathematics

1 answer:

larisa86 [58]3 years ago

4 0

Answer:

8. B

9. A

Step-by-step explanation:

You might be interested in

Make x the subject of the formula х +b= a

blagie [28]

Answer:

x = a(c - b)

General Formulas and Concepts:

Pre-Algebra

Equality Properties

Step-by-step explanation:

Step 1: Define Equation

x/a + b = c

Step 2: Solve for x

Subtract b on both sides: x/a = c - b
Multiply a on both sides: x = a(c - b)

5 0

3 years ago

What is 4e+21= what

love history [14]

The result can be shown in both exact and decimal forms.

Exact Form:

4 e + 21

Decimal Form:

31.87312731 …

Thanks,

Deku ❤

6 0

3 years ago

The floor plan of a ballroom is shown at the right. The scale is 3 centimeters: 4 meters. what are the length and width of the b

astraxan [27]

Length = 16
Width = 12
Area = 192

3 0

3 years ago

Subtract 8 y^2 − 5 y + 7 from 2 y^2 + 7 y + 1 1 The answer is: −6y ^2 +12y+4

lys-0071 [83]

Answer:

$\large\boxed{-6y^2+12y+4}$

Step-by-step explanation:

$(2y^2+7y+11)-(8y^2-5y+7)\\\\=2y^2+7y+11-8y^2-(-5y)-7\\\\=2y^2+7y+11-8y^2+5y-7\qquad\text{combine like terms}\\\\=(2y^2-8y^2)+(7y+5y)+(11-7)\\\\=-6y^2+12y+4$

4 0

3 years ago

Marco has $400. Each week, Marco adds $5 to his bank account.

lesantik [10]

Answer:

I'm pretty sure it's 400w+5=s

Step-by-step explanation:

400w because thats how much he earns each week +5 because that's how much he added =s which equals the total cost in his savings

5 0

3 years ago