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STatiana [176]
3 years ago
10

I don’t know what to do and I need to finish this by tonight

Mathematics
1 answer:
TiliK225 [7]3 years ago
4 0

Answer:

I ask for a tutor to get a question.

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The sum of two numbers is 21 the second number is 6 times the first number work out the two numbers
Tcecarenko [31]

Answer:

3,18

Step-by-step explanation:

x+6=21

7x=21

21/7x=3

Other 6x=6(3)

6x=18

The numbers=3,18

Hope this helps xx

8 0
3 years ago
A building 50 feet tall casts a 75 foot shadow. sarah casts a 6 foot shadow. the triangle formed by the building and its shadow
Rufina [12.5K]
Easy.
50/75=x/6
cross multiply
x=4
6 0
3 years ago
If the polynomials p(x)=2x³ +bx² +3x-5 and q(x)= x³+x² -4x-b leave the same remainder, when divided by x-2, prove that b = -13/5
Tju [1.3M]

Step-by-step explanation:

Lets first find the remainder when p(x) is divided by x-2

p(2)=2(2)³+b(2)²+3(2)-5

p(2)=16+4b+6-5

p(2)=4b+17

Now let's find the remainder when q(x) is divided by x-2

q(2)=(2)³+(2)²-4(2)-b

q(2)=8+4-8-b

q(2)=4-b

Now let's equate both of them

4b+17=4-b

4b+b=4-17

5b=-13

b=-13/5 as required

5 0
2 years ago
Stella models a product with algebra tiles. Write a number sentence that best describes her model. Fill in the blanks.
Kamila [148]

Answer:

Sorry i dont understand

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A quadratic function has its vertex at the point (- 3, 8) . The function passes through the point (0, 0) . When written in verte
SIZIF [17.4K]

Answer:

f(x) = -8/3(x+3)+8

a = -8/3

b = technically equals -3 but when we plug it in it gets turned into 3 *double negative

k = 8

Step-by-step explanation:

Vertex: (h,k)

Use the points (0,0) and (-3,8) to find the slope

y2-y1/x2- x1

6 0
3 years ago
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