X+y=7 -x+y=-5 Quero a equação pelo método de adição, rápido u.u

Mathematics

1 answer:

TEA [102]3 years ago

5 0

Answer:

Step-by-step explanation:

x + y = 7

-x + y = -5

2y = 2

y = 1

x + 1 = 7

x = 6

(6, 1)

You might be interested in

How much money did tommys class collect

Anastaziya [24]

B. 7.50 is the answer

6 0

3 years ago

H(x)=2x3 – 3 Find h(2)

djverab [1.8K]

When it tells you to find h(2), that means you plug in 2 for x.
If 2x^3 (to the third power)
2(2)^3-3

1. PEMDAS, exponents first
2^3=8

2. multiply
8x2=16

3. subtract
16-3=13

Hope this helps!

8 0

3 years ago

You are gathering data in the store, recording which shirt is tried on the most. The data you gather is... A) bivariate B) categ

borishaifa [10]

Answer:

(D) Quantitative

Step-by-step explanation:

Bivariate data involves two types of variables. Categorical data will have a number of different categories. Continuous data usually includes a range of values so is likely to be in decimals. Quantitative data will be collected in this scenario as it will be calculated the number of times each shirt is tried on.

8 0

3 years ago

After a storm. micheal measured 6 7/8 inches of snow. what is this amount as a decimal ?

olganol [36]

6.875 inches, you divide the fraction to get a decimal

3 0

3 years ago

Read 2 more answers

Solve for the unknown. 3x^3=812^x-5 5x=25^3x+5 27^4x=9^x+1 3^x=9^x+5

sesenic [268]

Sorry it's quite complex, simplify then... had to use an nspire

1. x=1.22248
2. x=15624.8
3. x=0.057522 (shown in picture)
4. x=-0.732487

too bad i cant upload more than 1 pic

7 0

3 years ago