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Monica [59]
3 years ago
14

Simplify 3+7x-(2+9x)

Mathematics
1 answer:
viva [34]3 years ago
8 0

Answer:

-2x + 1

Step-by-step explanation:

3 + 7x - (2 + 9x)

Distribute the negative:

3 + 7x - 2 - 9x

Combine like terms:

-2x + 1

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caden has 3 2/3 pints of water in a pitcher. he pours some of the water onto his plants. now he has 1 2/5 pints of water left in
AleksandrR [38]

Answer:

2 4/15 pints

Step-by-step explanation:

Caden has 3 2/3 pints of water in a pitcher.

He has 1 2/5 pints of water left in the pitcher.

The amount of water he poured is calculated as

3 2/3 - 1 2/5

3 - 1 + (2/3 - 2/5)

Lowest Common Denominator is 15

2 + (5 × 2 - 3×2/15)

2 + (10 - 6/15)

2 + (4/15)

= 2 4/15 pints

He poured 2 1/15 pints of water.

5 0
3 years ago
Please help me on 1,2, and 3 please help
mart [117]

Answer: put it in rice<333

Step-by-step explanation:

5 0
3 years ago
Find the base of a triangles in
Alexus [3.1K]

The base of triangle is 24 inches whose area is 2.75 sq. feet

<u>Solution:</u>

Given, area of a triangle is 2.75 square feet and its height is 33 inches.

We have to find its base length in inches.

So let us convert area units from feet to inches.

Area = 2.75 square feet = 2.75 \times ft \times ft

= 2.75 \times 12 inches \times 12 inches

[since 1 foot = 12 inches ]

= 2.75 x 144 \times in^2

Area = = 396 in^2

Area of triangle is given as:

\text {area}=\frac{1}{2} \times \text { base } \times \text { height }

\begin{array}{l}{396= \frac{1}{2} \times \text { base } \times 33} \\\\ {2 \times 396=\text { base } \times 33} \\\\ {792=\text { base } \times 33} \\\\ {\text { Base }=\frac{792}{33}=24}\end{array}

Hence, the base of the triangle is 24 inches

5 0
3 years ago
49, 34, and 48 students are selected from the Sophomore, Junior, and Senior classes with 496, 348, and 481 students respectively
mrs_skeptik [129]

Answer:

Stratified sampling

Step-by-step explanation:

In the question, students are selected from subgroups of Sophomore, Junior, and Senior classes.

We are told that 49, 34, and 48 students are selected from the Sophomore, Junior, and Senior classes with 496, 348, and 481 students respectively.

This means that the sample numbers of 49, 34 and 48 students were selected in proportion to the subgroup sizes of 496, 348, and 481 students respectively.

Thus, due to the fact that subgroups were selected & that sample number of students were also selected in proportion to their respective subgroup sizes, this is therefore a stratified sampling.

7 0
3 years ago
Given vector v = &lt;1,4&gt;, find —2v.
USPshnik [31]

Answer:

(-2 , -8)

Step-by-step explanation:

-2v = (-2 , -8)

------

6 0
3 years ago
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